Trigonometry. x = 8 x = 2, 8 Source and for more info: Arithmetic. Set x−4 x - 4 equal to 0 0 x^2+2x+1=3x-10; 2x^2+4x-6=0; Show More; Solve quadratic equations step-by-step.11.9. The quadratic formula gives two solutions, one … 2x2 +6x− 8 = 0. Pull terms out from under the radical, assuming positive real numbers. x^2-x-2. To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b b. Need more problem types? Step 1: Enter the Equation you want to solve into the editor. Tap for more steps 2x(x−3) = 0 2 x ( x - 3) = 0. 2x2 + 6x − 3 = 0 2 x 2 + 6 x - 3 = 0.dohtem CA eht gnisu 8 - x 2 + 2 x 8−x2 + 2x rotcaF . Tap for more steps (x−4)(x− 2) = 0 ( x - 4) ( x - 2) = 0. Multiply by . Simplify. If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal to 0 0. 2x2 = 6x 2 x 2 = 6 x. Step 2. Model # WF206TOPCHC08. Step 2: Click the blue arrow to submit and see the result! The equation solver allows you to enter your problem and solve the equation to see the result. Directrix: y = −101 8 y = - 101 8. x = 0 x = 0. Subtract 8 from both side of the equation : x2-6x = -8.3. x−2 = 0 x - 2 = 0. For chemistry, calculus, algebra, trigonometry, equation solving, basic math and more. x₁ = -2 x₂ =-4 Aprende más sobre ecuaciones cuadráticas en: Popular Problems. Solve by Factoring x^2+6x=0. … Step 1: Enter the Equation you want to solve into the editor. Get step-by-step answers and hints for your math homework problems. quadratic-equation-calculator. Examples. GCD of x^4+2x^3-9x^2+46x-16 with x^4-8x^3+25x^2-46x+16; quotient of x^3-8x^2+17x-6 with x-3; remainder of x^3-2x^2+5x-7 divided by x-3; roots of x^2-3x+2; View more examples; Access instant learning tools. This equation is reducible to quadratic. Factor 2x 2 x out of 2x2 −6x 2 x 2 - 6 x. Divide both sides of the equation by 3 to have 1 as the coefficient of the first term : x2-2x- (8/3) = 0. And it is not defined when x= 9, Can't divide by 0. Solve 2x^2-6x-8=0 | Microsoft Math Solver Solve Solve for x Steps Using Factoring By Grouping Steps Using the Quadratic Formula Steps for Completing the Square Steps Using Direct Factoring Method View solution steps Graph Graph Both Sides in 2D Graph in 2D Quiz Polynomial 5 problems similar to: Examples Quadratic equation Trigonometry Solve Solve for x x = −4 x = 1 Steps Using Factoring By Grouping Steps Using the Quadratic Formula Steps for Completing the Square Steps Using Direct Factoring Method View solution steps Graph Graph Both Sides in 2D Graph in 2D Quiz Polynomial 2x2 +6x− 8 = 0 Videos 06:02 AS Mathematics for CIE - P1 Trigonometry - Quadratic Trig Equations YouTube In mathematics, a polynomial is an expression consisting of indeterminates and coefficients, that involves only the operations of addition, subtraction, multiplication, and positive-integer powers of variables. 2x2 + 6x = −3 2 x 2 + 6 x = - 3. Evaluate.3. 自然言語. 3. x₁ = -2 x₂ =-4 ⭐ Resolveremos empleando la Resolvente Cuadrática:. Recall that instead of -7, a +9 would make the expression a perfect square. The middle term is, +6x its coefficient is 6 . Solve by Factoring 2x^2-6x=0. Expanding the left side, we get: Two numbers r and s sum up to 2 exactly when the average of the two numbers is \frac{1}{2}*2 = 1. Tap for more steps x = 4,−1 x = 4, - 1. x₁ = -2 x₂ =-4 ⭐ Resolveremos empleando la Resolvente Cuadrática:. Factor by grouping. Then, use the integral for the volume of solid of revolution (pi * integral from 2 to 4 of f (x)^2 dx). (b 2)2 = (−3)2 ( b 2) 2 = ( - 3) 2. Solve for x 2x^2-6x-20=0.1. x+2 = 0 x + 2 = 0. Factor x3 - 3x2 - 6x + 8 using the rational roots test. Then the factorization is: (x - 2)*(x - k) = x^2 - 6x + 8 . See solution in cymath: Let c: x 2 + y 2 0 + 2 g x + 2 f y = 0 be the equation of circle which passes through origin., < > ≤: ≥ ^ √: ⬅: : F _ ÷ | (* / ⌫ A: ↻: x: y = +-G Welcome to Quickmath Solvers! Solve Simplify Factor Expand Graph GCF LCM New Example Help Tutorial Solve an equation, inequality or a system. ️. Free Pre-Algebra, Algebra, Trigonometry, Calculus, Geometry, Statistics and Chemistry calculators step-by-step Pre-Algebra.1 Factoring x2+6x+8 The first term is, x2 its Algebra Factor 2x^2-6x-8 2x2 − 6x − 8 2 x 2 - 6 x - 8 Factor 2 2 out of 2x2 −6x−8 2 x 2 - 6 x - 8. Subtract 8 from both side of the equation : x2-6x = -8. x = 2 (x - 8) = 0 Add each to each side. x = 0 x = 0. en. Common: 2-in x 6-in x 8-ft; actual: 1. Step 3. Solve by Factoring x^2-6x+8=0. The last term, "the constant", is -8 Step-1 : Multiply the coefficient of the first term by the constant 9 • -8 = -72 Algebra. The value at is . Trigonometry. 2. Graph y=x^2+6x+8. 6±√(−6)2 − 4⋅(2⋅1) 2⋅2 6 ± (3 2 x 2 - 6x) - 8 = 0 Step 2 : Trying to factor by splitting the middle term 2.0% Off) when you buy 100+. Solve your math problems using our free math solver with step-by-step solutions. Example: 2x^2=18. Tap for more steps Step 1. To start, the quadratic formula is x=(-bpmsqrt(b^2-4ac))/(2a) In this problem, a = 1 (as the x^2 term has no coefficient), b=6, and c=8.2. Subtract 1 from both sides of the equation. View solution steps. Tap for more steps (x+3)2 −1 ( x + 3) 2 - 1. Steps Using Factoring By Grouping. The discriminant of a quadratic is the expression inside the radical of the quadratic formula. Solve for x. 6x2 + x − 2 = 0 6 x 2 + x - 2 = 0. But what if the quadratic Free Polynomial Standard Form Calculator - Reorder the polynomial function in standard form step-by-step. Tap for more steps Direction: Opens Up. In order to complete the square, the equation must first be in the form x^{2}+bx=c.. C 1: x 2 + y 2 0 − 6 x + 8 = 0. x^{ }2+6x+8. Step 2. Now the clever bit: Take the coefficient of x , which is 6 , divide by two, giving 3 , and finally square it giving 9. 数学入力.2 Solving x2+6x+8 = 0 by Completing The Square . Algebra. Set x x equal to 0 0. Rewrite the trinomial as the product of two binomials (x-u) (x-v) La ecuación de segundo grado x² + 6x + 8 = 0, tiene dos soluciones:. Step 4. Polynomials are often written in the form: a₀ + a₁x + a₂x² + a₃x³ + + aₙxⁿ, where the a's are coefficients and x is the variable.4. Factor and let f(x) = 0 to find the x-intercepts : x^2 -6x + 8 = (x - 2)(x - 4) = 0 x - 2 = 0 " "=> x = 2; " "x - 4 = 0 " "=> x = 4 x-intercepts: " "(2, 0), (4, 0) Find the y-intercept let x = 0: f(0) = 0^2 -6*0 + 8 = 0 y-intercept: " "(0, 8) Find the vertex .2 Factoring: x 3 +3x 2-6x-8 Thoughtfully split the expression at hand into groups, each group having two terms : Algebra. x2+6x+1 Final result : x2 + 6x + 1 Step by step solution : Step 1 :Trying to factor by splitting the middle term 1. Example: 2x-1=y,2y+3=x. Add 8/3 to both side of the equation : x2-2x = 8/3. x2 − 6x + 8 = 0 x 2 - 6 x + 8 = 0. List all found solutions. Factor. Jun 8, 2018 #x=-3" or "x=0# Explanation: #"factor the quadratic"# #2x(x+3)=0# #"equate each factor to zero and solve for x"# #2x=0rArrx=0# #x+3=0rArrx=-3# Algebra. Identificamos en nuestro enunciado: a = 1; b = 6; c = 8 Hallamos las dos raíces solución:. x−4 = 0 x - 4 = 0. Add 9 to both sides of the equation : On the right hand side we have : The steps below illustrate a step by step solution strategy to solving a quadratic equation using the completing the square method. Plug those values into the quadratic equation to get: x=(-6pmsqrt(6^2-4(1)(8)))/(2(1)) Multiply 2*1 on the bottom of the fraction: x=(-6pmsqrt(6^2-4(1)(8)))/(2) Square 6 and … Get Step by Step Now. Tap for more steps (x−4)(x− 2) = 0 ( x - 4) ( x - 2) = 0. Solve Using the Quadratic Formula 2x^2+6x-7=0. Use the roots to divide the number line into intervals. ランダムな例を使う. How to get the other solution of the equation? The quadratic equation is:. f (x) = x3 − 3x2 − 6x + 8 f ( x) = x 3 - 3 x 2 - 6 x + 8. To factor a binomial, write it as the sum or difference of two squares or as the difference of two cubes. Set x3 −3x2 −6x+8 x 3 - 3 x 2 - 6 x + 8 equal to 0 0. Complete the square for x2 +6x+8 x 2 + 6 x + 8. Solve an equation, inequality or a system. Tap for more steps Step 1. x=1. Tap for more steps Step 1. It is not less than 0.1. Graph Solve the equation x^{2}-2x-8=0 when ± is plus and when ± is minus. Step 2. Vertex: (3 2,− 25 2) ( 3 2, - 25 2) Focus: (3 2,−99 8) ( 3 2, - 99 8) Axis of Symmetry: x = 3 2 x = 3 2. x = 0 x = 0. Step 3. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more. Matrix. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor. Son raíces solución:. Steps for Completing the Square x2+6x+8=0 Two solutions were found : x = -2 x = -4 Step by step solution : Step 1 :Trying to factor by splitting the middle term 1. Graph y=x^2+6x+8. Solve by Factoring x^2-6x+8=0. x2 + 6x + 8 = 0 x 2 + 6 x + 8 = 0. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more. Tap for more steps 2(3x2 + x−4) = 0 2 ( 3 x 2 + x - 4) = 0 Factor. High School Math Solutions - Radical Equation Calculator. x−2 = 0 x - 2 = 0. Subtract 6x 6 x from both sides of the equation.2 Solving x2+6x+8 = 0 by Completing The Square . Select a few x x values, and plug them into the equation to find the In other words, we can set x −2 equal to zero and x − 8 equal to zero to get.5-in x 8-ft. Factor 2x 2 x out of 6x2 −2x 6 x 2 - 2 x. Quadratic Formula. Examples.mrof xetrev ni noitauqe eht etirweR . Solve Using the Quadratic Formula 2x^2-6x+1=0. Step no 1: x2+3x-8 = 0 x 2 + 3 x - 8 = 0 (take a quadratic equation) Step no 2: Compare the equation with standard form ax2 +bx+c = 0 a x 2 + b x + c = 0 to get the values of a, b and c. Tap for more steps x2 + 6x+9 = 1 x 2 + 6 x + 9 = 1 Solution - Quadratic equations 2 x 2 − 6 x − 8 = 0 See steps Quadratic equations Step by Step Solution Step by step solution : Step 1 : Equation at the end of step 1 (2x2 - 6x) - 8 = 0 Step 2 : Step 3 : Pulling out like terms 3. Step 1. If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal to 0 0.8. Answer link. Step 1. The final answer is .0000+7. ️.2. Quadratic equation { x } ^ { 2 } - 4 x - 5 = 0.. 4.1.2 Factoring x2 + 3x + 4. Step 4. Algebra. List all found solutions. If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal to 0 0. Add 9 to both sides of the equation : On the right hand side we have : -8 + 9 or, (-8/1)+ (9/1) Solve Using the Quadratic Formula 2x^2+6x-3=0.1 Solve x4-6x2+8 = 0. x+6 = 0 x + 6 = 0. 2-in x 6-in x 8-ft Fir Kiln-dried Lumber. x−4 = 0 x - 4 = 0. According to the Quadratic Formula, x , the solution for Ax 2 +Bx+C = 0 , where A, Two numbers r and s sum up to \frac{1}{6} exactly when the average of the two numbers is \frac{1}{2}*\frac{1}{6} = \frac{1}{12}. The middle term is, -6x its coefficient is -6 . Subtract 5 5 from both sides of the equation. Factor 2x 2 x out of 2x2 −6x 2 x 2 - 6 x. y = x2 +6x+8 y = x 2 + 6 x + 8. Step 3. Solve by Factoring 2x^2-6x=0. en. x2−x−2 x 2 - x - 2. Step 2. Factor x2 − 6x+8 x 2 - 6 x + 8 using the AC method. −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a.5. Factor x2 − 6x+8 x 2 - 6 x + 8 using the AC method. See answer below Given: f(x) = x^2 -6x + 8 This function is a quadratic - a graph of a parabola. Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above, -4 and -2 x 2 - 4x - 2x - 8 Step-4 : Add up the first 2 terms, pulling out like factors : 3.1.121 x = (-8+√72)/4=-2+3/2√ 2 = 0. All equations of the form ax^{2}+bx+c=0 can be solved using the quadratic formula: \frac{-b±\sqrt{b^{2}-4ac}}{2a}. 2x^{2}+6x-y-8=0 . x=4. Enter your answer and show all the steps that you use to solve this problem in the space provided. Related Symbolab blog posts.1. ax^2+bx+c=0; x^2-x-6=9; x^2-x-6=0; x^2-1=0; x^2+2x+1=3x-10; 2x^2+4x-6=0; Show More; Description.0 = )3 - x ( x 2 0 = )3−x(x2 spets erom rof paT . Item # 432484 |. Solve for x x. Evaluate. Add and . 2x2 - 6x + 1 = 0.9. Bulk Savings. x^2-x-2.

 Step 3

. Find the properties of the given parabola. en. Replace the variable with in the expression. アップロード.2 Solving x2-6x+8 = 0 by Completing The Square . Tap for more steps 2x(x−3) = 0 2 x ( x - 3) = 0. Tap for more steps Step 1. Tap for more steps 2x2-8x=0 Two solutions were found : x = 4 x = 0 Step by step solution : Step 1 :Equation at the end of step 1 : 2x2 - 8x = 0 Step 2 : Step 3 :Pulling out like terms : 3. If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal to 0 0. x2 − 6x + 5 = 0 x 2 - 6 x + 5 = 0. x = 0 x = 0. Related Symbolab blog posts. Tap for more steps $\exponential{x}{3} - 3 \exponential{x}{2} - 6 x + 8 = 0 $ Solve. Solve by Completing the Square x^2-6x+5=0. Steps Using Factoring By Grouping. Free math problem solver answers your algebra homework questions with step-by-step explanations. Step 3.

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y = 2x2 − 6x − 8 y = 2 x 2 - 6 x - 8. Add 9 to both sides of the equation : On the right hand side we have : Solve Using the Quadratic Formula 2x^2+6x-7=0. 3. Tap for more steps 2(x−5)(x +2) = 0 2 ( x - 5) ( x + 2) = 0. Step 1.2. Substitute the values , , and into the quadratic formula and solve for . Example: 2x^2=18. Tap for more steps 2(x2 − 3x−4) 2 ( x 2 - 3 x - 4) Factor. $5.1. Step 3. Tap for more steps (x−4)(x− 2) = 0 ( x - 4) ( x - 2) = 0.11. x = 2 and x = 8.1 Factoring x2+6x+1 The first term is, x2 its coefficient is 1 . Tap for more steps (x−2)(x+ 4) = 0 ( x - 2) ( x + 4) = 0. La ecuación tiene expresión:. If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal to 0 0. Step 2.10. Solve for x. If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal to 0 0. How do you solve #2x^2+6x=0#? Algebra Quadratic Equations and Functions Comparing Methods for Solving Quadratics. Integration. 100. Now the clever bit: Take the coefficient of x , which is 6 , divide by two, giving 3 , and finally square it giving 9. 2^2.) Take the Square Root.5. To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b b. Solve Quadratic Equation by Completing The Square. If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal to 0 0. C = (− g, − f), r = √ g 2 + f 2. Learn the basics, check your work, gain insight on different ways to solve problems. Answer: Step-by-step explanation: Factor x^2-6x+8<0 (x-2) (x-4)<0 For this to be less than zero the factors must have opposite signs. To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b b. Free math problem solver answers your algebra, geometry, trigonometry, calculus Two numbers r and s sum up to -6 exactly when the average of the two numbers is \frac{1}{2}*-6 = -3. The zeroes are 2 and 4 x^2 - 6x + 8 = 0 x^2 - 4x -2x + 8 = 0 x(x - 4) - 2(x - 4) = 0 (x - 2)(x - 4) = 0 x - 2 = 0 or x - 4 = 0 x = 2 or x = 4 XXXx = −4 or x = − 2. 2^2. x2 − 6x + 8 = 0 x 2 - 6 x + 8 = 0. Tap for more steps 2x(3x−1) = 0 2 x ( 3 x - 1) = 0. Free Pre-Algebra, Algebra, Trigonometry, Calculus, Geometry, Statistics and Chemistry calculators step-by-step Graph f(x)=x^2+6x+8. Step 3. Determine the sign of the expression in that interval. Factor x2 − x−6 x 2 - x - 6 using the AC method. Add 8 to both side of the equation : x2-6x = 8. Add 9 to both sides of the equation : On the right hand side we have : Factoring Calculator Step 1: Enter the expression you want to factor in the editor. Step 2.3 Solving x 2 +6x+8 = 0 by the Quadratic Formula . Add 9 to both sides of the equation : On the right hand side we have : 8 + 9 or, (8/1)+ (9/1) First, find the x-intercepts (2 and 4). absolute and radical equations, step-by-step.1. Aljabar. Add 9 to both sides of the equation : On the right hand side we have : How do you solve quadratic inequalities? To solve a quadratic inequality write the inequality in the standard form ax^2 + bx + c < 0 or ax^2 + bx + c > 0, find the roots of the quadratic equation. Now the clever bit: Take the coefficient of x , which is 6 , divide by two, giving 3 , and finally square it giving 9. Add 9 to both sides of the equation : On the right hand side we have : How do you solve quadratic inequalities? To solve a quadratic inequality write the inequality in the standard form ax^2 + bx + c < 0 or ax^2 + bx + c > 0, find the roots of the quadratic equation. Substitute the values , , and into the quadratic formula and solve for . 2x2+6x-8=0 Two solutions were found : x = 1 x = -4 Step by step solution : Step 1 :Equation at the end of step 1 : … In mathematics, a polynomial is an expression consisting of indeterminates and coefficients, that involves only the operations of addition, subtraction, multiplication, and positive … Free math problem solver answers your algebra homework questions with step-by-step explanations. 2x2 − 6x = 0 2 x 2 - 6 x = 0. Hope this helps! Answer link. Now the clever bit: Take the coefficient of x , which is 6 , divide by two, giving 3 , and finally square it giving 9. To factor a binomial, write it as the sum or difference of two squares or as the difference of two cubes. 753.1 Factoring 5x2+6x-8.9. If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal to 0 0. Factor x2 − 6x+8 x 2 - 6 x + 8 using the AC method.1. x2 − 6x+8 = 0 x 2 - 6 x + 8 = 0. High School Math Solutions - Quadratic Equations Calculator, Part 2. Find the properties of the given parabola. 2x2 − 6x − 20 = 0 2 x 2 - 6 x - 20 = 0. You can also see that the midpoint of r and s corresponds to the axis of symmetry of the parabola represented by the quadratic equation y=x^2+Bx+C. Solve by Factoring 2x^2-x-6=0. 5x-6=3x-8; x^2-x-6=0; x^4-5x^2+4=0 \sqrt{x-1}-x=-7 \left|3x+1\right|=4 \log _2(x+1)=\log _3(27) 3^x=9^{x+5} Solve linear, quadratic, biquadratic. Solve for x x. Free Complete the Square calculator - complete the square for quadratic functions step-by-step.1 Factoring 9x 2-6x-8 The first term is, 9x 2 its coefficient is 9 . Tap for more steps Step 1. Tap for more steps Step 1.01. The value at is .2. Example: 2x-1=y,2y+3=x What can QuickMath do? QuickMath will automatically answer the most common problems in algebra, equations and calculus faced by high-school and college students. x^4+6x^2+8=0 の解. x = 2, 8 Separate your terms: (x - 2) = 0 Add 2 to each side. Use the roots to divide the number line into intervals. Step 1.2. ️. If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal to 0 0.121 Step by step solution : Step 1 :Equation at the Free factoring calculator - Factor quadratic equations step-by-step Algebra. Can't take the log of a negative number. Rewrite as . In order to complete the square, the equation must first be in the form x^{2}+bx=c. Use the quadratic formula to find the solutions. If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be Similar Problems from Web Search. Example: 4x^2-2x-1=0. Free Complete the Square calculator - complete the square for quadratic functions step-by-step. Substitute the values a = 2 a = 2, b = 6 b = 6, and c = −3 c = - 3 into the quadratic formula and solve for x x. The zeroes are 2 and 4 x^2 - 6x + 8 = 0 x^2 - 4x -2x + 8 = 0 x(x - 4) - 2(x - 4) = 0 (x - 2)(x - 4) = 0 x - 2 = 0 or x - 4 = 0 x = 2 or x = 4 (2x 2 - 6x) - 8 = 0 Step 2 : Step 3 : Pulling out like terms : 3. The last term, "the constant", is -4 XXXx = −4 or x = − 2. 2x2 − 6x−8 = 0 2 x 2 - 6 x - 8 = 0. Step-2 : Find two factors of 4 whose sum equals the coefficient of the middle term, which is 3 .8. −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a … 2x^{2}-6x-8=0 All equations of the form ax^{2}+bx+c=0 can be solved using the quadratic formula: \frac{-b±\sqrt{b^{2}-4ac}}{2a}. Step 1. −6±√62 −4⋅ (2⋅−3) 2⋅2 - 6 ± 2x^{2}+6x-8-y=0 .2 Solving x2-6x-8 = 0 by Completing The Square . To start, the quadratic formula is x=(-bpmsqrt(b^2-4ac))/(2a) In this problem, a = 1 (as the x^2 term has no coefficient), b=6, and c=8. If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal to 0 0. To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b. The result will be.00/month. Step 3. Trying to factor by pulling out : 2.1 x 3 +3x 2-6x-8 is not a perfect cube . GCD of x^4+2x^3-9x^2+46x-16 with x^4-8x^3+25x^2-46x+16; quotient of x^3-8x^2+17x-6 with x-3; remainder of x^3-2x^2+5x-7 divided by x-3; roots of x^2-3x+2; View more examples; Access instant learning tools. $\exponential{(x)}{2} + 6 x + 8 = 0 $ Solve. Tap for more steps Step 1. Answer link. Step 3. x−2 = 0 x - 2 = 0.0000i Step by step solution : Step 1 :Trying to factor by splitting … Example: 3x^2-2x-1=0 (After you click the example, change the Method to 'Solve By Completing the Square'. The last term, "the constant", is +4.9. Solve by Factoring x^2-x-6=0. 2x2 − x − 6 = 0 2 x 2 - x - 6 = 0. Step 2. Tight grain lumber with small knots that is resistant to cupping, twisting, and bowing. 2x2 − 6x = 0 2 x 2 - 6 x = 0. Step 1.143 Step by step solution : Step 1 :Solving a Single Variable Equation : 1. Untuk membuat trinomial kuadratkan sisi kiri persamaan, tentukan nilai yang sama dengan kuadrat dari setengah b b.1 Factoring x2-6x+1 The first term is, x2 its coefficient is 1 . Free Complete the Square calculator - complete the square for quadratic functions step-by-step. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.1 Pull out like factors : 2x 2 - 6x - 8 = 2 • (x 2 - 3x - 4) Trying to factor by splitting the middle term 3. Step 4. x2 + 6x = −8 x 2 + 6 x = - 8. High School Math Solutions - Quadratic Equations Calculator, Part 3. The equation calculator allows you to take a simple or complex equation and solve by best method possible. Factor by grouping. Solve by Completing the Square 2x^2-6x+1=0. How do you solve #2x^2+6x=0#? Algebra Quadratic Equations and Functions Comparing Methods for Solving Quadratics. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor. Thus, your original integral is equivalent to the sum of the following three integrals: ∫2 0(x2 − 6x + 8)dx + ∫4 2[ − (x2 − 6x + 8)]dx + ∫6 4(x2 − 6x + 8)dx. x2−x−2 x 2 - x - 2. Step 2. 2. Algebra. Starting at $5. x3-3x2-6x+8=0 Three solutions were found : x = 4 x = 1 x = -2 Step by step solution : Step 1 :Equation at the end of step 1 : ( ( (x3) - 3x2) - 6x) + 8 = 0 Step 2 :Checking for a perfect 18x3-3x2-6x Final result : 3x • (3x - 2) • (2x + 1) Step by step solution : Step 1 :Equation at the end of step 1 Algebra. Solve by Factoring 2x^2-8=0. Simultaneous equation. Subtract 8 from both side of the equation : x2+6x = -8. x 2 + 2x + 4x + 8 Step-4 : Add up the first 2 terms, pulling out like factors : 3. Algebra Examples. Now the clever bit: Take the coefficient of x , which is 6 , divide by two, giving 3 , and finally square it giving 9. Step 1. Tap for more steps Factor x2 - 2x - 8 using the AC method. 62 − 4(1⋅8) 6 2 - 4 ( 1 ⋅ 8) Evaluate the result to find the discriminant.G miJ srewsnA 2 .1. 2x2 − 6x + 1 = 0 2 x 2 - 6 x + 1 = 0. Step no 3: Find discriminant Δ. x>2 and x<4 2&…. How do you factor a trinomial? To factor a trinomial x^2+bx+c find two numbers u, v that multiply to give c and add to b. Multiply by . Next add the constant term ( 1 a) to the right side of the x+6x+8=0 One solution was found : x = -8/7 = -1. A polynomial is a mathematical expression consisting of variables and coefficients, that involves only the operations of addition, subtraction, and multiplication. 2x^{2}-6x-8=0 Quadratic equations such as this one can be solved by completing the square. Step-2 : Find two factors of -40 whose sum equals the coefficient of the middle term, which is 6 . equation-calculator. x=-4. x=-2 View solution steps. 100. Replace the variable with in the expression. La ecuación tiene expresión:. Solve Quadratic Equation by Completing The Square. Algebra. Rewrite as . Step-1 : Multiply the coefficient of the first term by the constant 5 • -8 = -40. Tap for more steps x(x+6) = 0 x ( x + 6) = 0. Factor x x out of x2 +6x x 2 + 6 x. Factor factor using the difference of squares formula, where and .1 2x2+8x-1=0 Two solutions were found : x = (-8-√72)/4=-2-3/2√ 2 = -4. An example of a polynomial of a single indeterminate x is x² − 4x + 7. You can also see that the midpoint of r and s corresponds to the axis of symmetry of the parabola represented by the quadratic equation y=x^2+Bx+C. x = 2, 4. In order to complete the square, the equation must first be in the form x^{2}+bx=c. If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal to 0 0. Move to the left of . Remove unnecessary parentheses. To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b b. x2 + 6x + 8 = 0 x 2 + 6 x + 8 = 0. The final answer is .a yb noitauqe eht fo sedis htob edivid ,0 ot lauqe ton tub 1 naht ssel ro 1 naht retaerg si a nehw erauqs eht etelpmoc oT . Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor. Tap for more steps x2 + 3x = −3 2 x 2 + 3 x = - 3 2.1 Solve : 7x+8 = 0 Subtract 8 from How do you solve and write the following in interval notation: (x + 6)(x + 8) ≥ 0 ? The solution is x ∈ (−∞,−8]∪[−6,+∞) Explanation: Let f (x)= (x+6)(x+8) Solve your math problems using our free math solver with step-by-step solutions. Solve for x. You can also see that the midpoint of r and s corresponds to the axis of symmetry of the parabola represented by the quadratic equation y=x^2+Bx+C. d 2 = r 1 2 + r 2 2. The other solution of the quadratic equation is x = 4. Steps Using the Quadratic Formula. Solution This problem brings in another difficulty. Multiply by Free factoring calculator - Factor quadratic equations step-by-step Two numbers r and s sum up to -3 exactly when the average of the two numbers is \frac{1}{2}*-3 = -\frac{3}{2}.1 Pull The zeroes are 2 and 4 Explanation: x2 - 6x + 8 = 0 x2 - 4x -2x + 8 = 0 x (x - 4) - 2 (x - 4) = 0 (x - 2) (x - 4) = 0 x - 2 = 0 or x - 4 = 0 x = 2 or x 6x2-54=0 Two solutions were found : x = 3 x = -3 Step by step solution : Step 1 :Equation at the end of step 1 : (2•3x2) - 54 = 0 Step 2 : Step 3 :Pulling out like terms : 3. The quadratic formula gives two solutions, one when ± is addition and one when it is subtraction. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more. Tap for more steps Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor. Solve. x=-2 View solution steps. Tap for more steps x2 - 3x = - 1 2. C 1 = (3, 0), r 1 = √ 9 − 8 = 1. Step 2. Solve quadratic equations step-by-step. b2 − 4(ac) b 2 - 4 ( a c) Substitute in the values of a a, b b, and c c. See More … ax^2+bx+c=0; x^2-x-6=9; x^2-x-6=0; x^2-1=0; x^2+2x+1=3x-10; 2x^2+4x-6=0; Show More; Description. x−4 = 0 x - 4 = 0. Your definition of absolute value does not account for what happens when f(x) = 0. 5. The first term is, 5x2 its coefficient is 5 .Algebra Solve Using the Quadratic Formula 2x^2-6x-8=0 2x2 − 6x − 8 = 0 2 x 2 - 6 x - 8 = 0 Use the quadratic formula to find the solutions. Tap for more steps (x−3)(x+ 2) = 0 ( x - 3) ( x + 2) = 0. 6x2 − 2x = 0 6 x 2 - 2 x = 0. We know that one solution is x = 2, and the other solution is x = k. Subtract 8 from both side of the equation : x2+6x = -8. x3 − 3x2 −6x+8 = 0 x 3 - 3 x 2 - 6 x + 8 = 0. The equation calculator allows you to take a simple or complex equation and solve by best method possible. (b 2)2 = (3)2 ( b 2) 2 = ( 3) 2. x2 + 6x+(3)2 = −8+(3)2 x 2 + 6 x + ( 3) 2 = - 8 + ( 3) 2 Simplify the equation. An example with three indeterminates is x³ + 2xyz² − yz + 1. Find the properties of the given parabola. Identificamos en nuestro enunciado: a = 1; b = 6; c = 8 Hallamos las dos raíces solución:.

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High School Math Solutions – Quadratic Equations Calculator, Part 3. Use the quadratic formula to find the solutions. Step 1: If a ≠ 1, divide the equation through by a to have a unity coefficient as the leading coefficient. Step 3. 22 2 2. If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal to 0 0. Steps Using the Quadratic Formula. Factor. x₁ = -2 x₂ =-4 Aprende más sobre ecuaciones … Popular Problems. Step 3.8. Quadratic Formula. 2x2+6x-8=0 Two solutions were found : x = 1 x = -4 Step by step solution : Step 1 :Equation at the end of step 1 : (2x2 + 6x) - 8 = 0 Step 2 : Step 3 :Pulling out like terms : 3. Solve quadratic equations step-by-step. Find the Roots (Zeros) f (x)=x^3-3x^2-6x+8. −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a. See More Examples » x+3=5 1/3 + 1/4 y=x^2+1 Solve Quadratic Equation by Completing The Square. Replace the variable with in the expression. Tap for more steps 2(x−4)(x +1) 2 ( x - 4) ( x + 1) Algebra.1.G miJ srewsnA 2 . 何百万人もの学生やプロフェッショナルに信頼されているWolframの画期的なテクノロジーと知識ベースを使って答を計算します．数学，科学，栄養学，歴史 3. (b 2)2 = (3)2 ( b 2) 2 = ( 3) 2 Add the term to each side of the … Solution - Quadratic equations 2 x 2 − 6 x − 8 = 0 See steps Quadratic equations Step by Step Solution Step by step solution : Step 1 : Equation at the end of step 1 (2x2 - 6x) - 8 … x2-6x+58=0 Two solutions were found : x =(6-√-196)/2=3-7i= 3. Given c is orthogonal to c1 and c2. High quality lumber from the Inland Northwest region Step by step solution : Step 1 : Equation at the end of step 1 : (((x 3) + 3x 2) - 6x) - 8 = 0 Step 2 : Checking for a perfect cube : 2.71/ Each (10. Find the properties of the given parabola. x^{2}-6x+8=0. Step 3.. Free Algebraic Properties Calculator - Simplify radicals, exponents, logarithms, absolute values and complex numbers step-by-step. Subtract 8 from both side of the equation : x2+6x = -8. Subtract 8 from both side of the equation : x2+6x = -8.1. Solve Quadratic Equation by Completing The Square. Factor 2x 2 x out of 2x2 −6x 2 x 2 - 6 x. We'll first write the skeleton form of the equatio Subtract 3 3 from both sides of the equation. For chemistry, calculus, algebra, trigonometry, equation solving, basic math and more. C 2: x 2 + y 2 0 − 2 x - 2 y = 7.800 Step by step solution : Step 1 :Equation at the end of step 1 : (5x2 + 6x) - 8 = 0 Step 2 :Trying to factor by splitting the How do you solve 6x − 2<7 or 8x − 2 ≥ 3 ? Solve system: (1) 6x - 2 < 7 (2) 8x−1 ≥ 2 Explanation: (1) 6x - 2 < 7 -> 6x < 9 --> x < 3/2 (2) 8x−2>+3 → 8x ≥ 5 →x ≥ 85 6 (x-2)=6 One solution was found : x = 3 Rearrange: Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the 4. Kurangkan 8 8 dari kedua sisi persamaan tersebut. a ≠ 1, and a = 2, so divide all terms x2-6x=16 Two solutions were found : x = 8 x = -2 Rearrange: Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation : 3. Tap for more steps $\exponential{x}{3} - 3 \exponential{x}{2} - 6 x + 8 = 0 $ Solve. You can also see that the midpoint of r and s corresponds to the axis of symmetry of the parabola represented by the quadratic equation y=x^2+Bx+C. Step 2. English Algebra Solve Using the Quadratic Formula 2x^2-6x-8=0 2x2 − 6x − 8 = 0 2 x 2 - 6 x - 8 = 0 Use the quadratic formula to find the solutions. This is the same as factoring out the value of a from all other terms. At x = 2 and x = 4, f(x) = 0. Solve 2x^2-8x+6=0 | Microsoft Math Solver. Steps for Completing the Square. Differentiation. Step 3. x2 − x − 6 = 0 x 2 - x - 6 = 0.2. Δ = b2 -4ac =(3)2 -4(1)(8) = 9 +32 = 41 Solve by Factoring 6x^2-2x=0. Rewrite the equation in vertex form. Simplify . Plug those values into the quadratic equation to get: x=(-6pmsqrt(6^2-4(1)(8)))/(2(1)) Multiply 2*1 on the bottom of the fraction: x=(-6pmsqrt(6^2-4(1)(8)))/(2) Square 6 and multiply 4*1*8 within the square root: x=(-6pmsqrt(36 Get Step by Step Now.2 Factoring x 2 - 3x - 4 The first term is, x 2 its coefficient is 1 . 2x2 − 6x = 0 2 x 2 - 6 x = 0. Learn the basics, check your work, gain insight on different ways to solve problems.1. x2 − 6x = −5 x 2 - 6 x = - 5.1 Pull out like factors : 2x2 - 6x - 8 = 2 • (x2 - 3x - 4) Trying to factor by splitting the middle term Steps Using the Quadratic Formula Steps for Completing the Square Steps Using Direct Factoring Method View solution steps Graph Graph Both Sides in 2D Graph in 2D Quiz Quadratic Equation 5 problems similar to: Similar Problems from Web Search Example: 3x^2-2x-1=0 (After you click the example, change the Method to 'Solve By Completing the Square'. x=1 x=-2 x=4 . As an example let's complete the square for this quadratic equation: 2x2 − 12x + 7 = 0 2 x 2 − 12 x + 7 = 0. Solving quadratics by factorizing (link to previous post) usually works just fine.2 Solving x2+6x+8 = 0 by Completing The Square . The middle term is, +3x its coefficient is 3 . x2 + 4 ax + 1 a = 0. x−5 = 0 x - 5 = 0. Simplify . Set x x equal to 0 0. x(x - 4) - 2(x - 4) = 0 (x - 4)(x - 2) = 0. What do you want to calculate? Calculate it! Examples: 1+2 , 1/3+1/4 , 2^3 * 2^2 (x+1) (x+2) (Simplify Example), 2x^2+2y @ x=5, y=3 (Evaluate Example) y=x^2+1 (Graph Example), 4x+2=2 (x+6) (Solve Example) Algebra Calculator is a calculator that gives step-by-step help on algebra problems. Steps Using Factoring. x^{2}-6x+8=0. If any individual factor on the left side of the equation is equal to , the entire Write f (x) = x2 + 6x+8 f ( x) = x 2 + 6 x + 8 as an equation.2.2 Solving 3x2-6x-8 = 0 by Completing The Square . Step 2: … What are complex roots? Complex roots are the imaginary roots of a function.

 If one solution of the equation is 2, then the 
5x2+6x-8=0 Two solutions were found : x = -2 x = 4/5 = 0

. 3x−1 = 0 3 x - 1 = 0. On the last post we covered completing the square (see link Popular Problems Algebra Solve by Factoring 6x^2+2x-8=0 6x2 + 2x − 8 = 0 6 x 2 + 2 x - 8 = 0 Factor 2 2 out of 6x2 +2x−8 6 x 2 + 2 x - 8. 2x−1 = 0 2 x - 1 = 0. The Factoring Calculator transforms complex expressions into a product of simpler factors. 1: 2: 3: 4: 5: 6: 7: 8: 9: 0. Radical equations are How do you factor completely x2 − 6x + 8 ? Neh Pandya Apr 29, 2016 For x2 −6x+8 =0 0 = x2−4x−2x+8 0 =x(x−4)−2(x−4) x2-6x+1 Final result : x2 - 6x + 1 Step by step solution : Step 1 :Trying to factor by splitting the middle term 1. Related Symbolab blog posts. Steps Using Direct Factoring Method.2.1.8. Son raíces solución:. Use the quadratic formula to find the solutions. Substitute the values , , and into the quadratic formula and solve for . 22 2 2. Tap for more steps (2x+3)(x −2) = 0 ( 2 x + 3) ( x - 2) = 0. ️. Now the clever bit: Take the coefficient of x , which is 2 , divide by two, giving 1 , and finally square it giving 1.1. Set y y equal to the new right side.11. Step 2.4. Simplify the result. Rewrite the trinomial as … La ecuación de segundo grado x² + 6x + 8 = 0, tiene dos soluciones:. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor. Solve for x. Solve by Factoring 2x^2=6x.1 Algebra. Step 3. (s + g Click here 👆 to get an answer to your question ️ Blake knows that one of the solutions to x^2- 6x + 8 = 0 is x = 2. Example 6 Solve 2x 2 + 12x - 4 = 0 by completing the square. x=4. Get immediate feedback and guidance with step-by-step solutions and Wolfram Problem Generator. How do you find complex roots? To find the complex roots of a quadratic equation use the formula: x = (-b±i√ (4ac – b2))/2a. Answer: For getting proper understanding we have to follow following steps. x2 + 2x − 8 = 0 x 2 + 2 x - 8 = 0. Limits. Use the infinite geometric sum formula to write. のお申込み.3. Solve a quadratic equation by factoring and using the zero products property. Step 2. 拡張キーボード.10. 2x+3 = 0 2 x + 3 = 0.1 Factoring x2 2x^{2}+6x+8=0 Quadratic equations such as this one can be solved by completing the square. About quadratic equations Quadratic equations have an x^2 term, and can be rewritten to have the form: a x 2 + b x + c = 0. Substitute the values a = 2 a = 2, b = −6 b = - 6, and c = 1 c = 1 into the quadratic formula and solve for x x. Related Symbolab blog posts. x+2 = 0 x + 2 = 0. The last term, "the constant", is -8. x2-6x-16=0 Two solutions were found : x = 8 x = -2 Step by step solution : Step 1 :Trying to factor by splitting the middle term 1. Tap for more steps (2x−1)(3x+2) = 0 ( 2 x - 1) ( 3 x + 2) = 0. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more. It can factor expressions with polynomials involving any number of vaiables as well as more complex functions. x=-4 or x=-2 (see below for method) Given: color (white) ("XXX")x^2+6x+8=0 It will be convenient (although not necessary) to move the constant to the right side as: color (white) ("XXX")color (blue) (x^2+6x=-8) Completing the square For the general squared binomial: (x+a)^2 = x^2+2a+a^2 So if x^2+6x color The answers are x=-2 and x=-4. The parabola is open down and the interval for integration has not been bounded. On the last post we covered completing the square (see link How do you factor completely x2 − 6x + 8 ? Neh Pandya Apr 29, 2016 For x2 −6x+8 =0 0 = x2−4x−2x+8 0 =x(x−4)−2(x−4) x2-6x+1 Final result : x2 - 6x + 1 Step by step solution : Step 1 :Trying to factor by splitting the middle term 1. Polynomials are often written in the form: a₀ + a₁x + a₂x² + a₃x³ + + aₙxⁿ, where the a's are coefficients and x is the variable.3. A polynomial is a mathematical expression consisting of variables and coefficients, that involves only the operations of addition, subtraction, and multiplication. Find the Discriminant x^2+6x+8=0. Now the clever bit: Take the coefficient of x , which is 6 , divide by two, giving 3 , and finally square it giving 9. x=-4 or x=-2 (see below for method) Given: color (white) ("XXX")x^2+6x+8=0 It will be convenient (although not necessary) to move the constant to the right side as: color (white) ("XXX")color (blue) (x^2+6x=-8) Completing the square For the general squared binomial: (x+a)^2 = x^2+2a+a^2 So if x^2+6x color The answers are x=-2 and x=-4.2. Quadratic equation { x } ^ { 2 } - 4 x - 5 = 0. Pull terms out from under the radical. What this means is that using a new variable, we can rewrite this equation as a quadratic equation Using w , such that w = x2 transforms the equation into : w2-6w+8 = 0. x=-2. Step 2. 2x2 - 6x = - 1. Factor out of . The final answer is . −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a Substitute the values a = 2 a = 2, b = −6 b = - 6, and c = −8 c = - 8 into the quadratic formula and solve for x x. Subtract y from both sides. The value at is . I don't follow how this function has any x-intercepts. Factor out of . Divide each term in 2x2 + 6x = −3 2 x 2 + 6 x = - 3 by 2 2 and simplify. Starting at $5. Step 3. Solve Quadratic Equation by Completing The Square. Divide each term in 2x2 - 6x = - 1 by 2 and simplify. According to the Quadratic Formula, x , the solution for Ax 2 +Bx+C = 0 , where A, B and C are numbers, often called coefficients, is given by : Solve your math problems using our free math solver with step-by-step solutions.2 Solving x2-6x+8 = 0 by Completing The Square .1 Factoring x2-6x-16 The first term is, x2 its -2x^2+5x-6=0 \lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3} Back to top. y = (x+ 3)2 −1 y = ( x + 3) 2 - 1. Show more.0000-7. Step-1 : Multiply the coefficient of the first term by the constant 1 • 4 = 4. 3. x=1 x=-2 x=4 .1 Factoring x2-6x+1 The first term is, x2 its coefficient is 1 . (Simplify Example), 2x^2+2y @ x=5, y=3 (Evaluate Example) y=x^2+1 (Graph Example), 4x+2=2(x+6) (Solve Example) Algebra Calculator is a calculator that gives step-by-step help on algebra problems. What is the other solution See what teachers have to say about Brainly's new learning tools! x² - 4x - 2x + 8 = 0. Simplify the Solve Using the Quadratic Formula 2x^2-6x+5=0. x2 + 6x = 0 x 2 + 6 x = 0. x^{2}-6x+8=0. C 1 = (1, 2), r 1 = √ 1 + 1 + 7 = 3. Free Pre-Algebra, Algebra, Trigonometry, Calculus, Geometry, Statistics and Chemistry calculators step-by-step Algebra. Pull terms out from under the radical. en. How do you solve #x^2-6x-16=0# by factoring? How do you solve by factoring and using the principle of zero products #x^2 + 7x + 6 = 0#? How do you solve #x^2=2x#? In this video we'll follow a clear set of steps for writing the factors for the equation x^2 - 6x + 8 = 0. p + mp; use m = 6, and p = 3. quadratic-equation-calculator. Factor the left side of the equation. The result can be 99. Skipping the horrible and awful algebra gives an answer of 16pi/15.1. Use the quadratic formula to find the solutions. The first term is, x2 its coefficient is 1 . Selesaikan dengan Melengkapkan Kuadrat x^2+6x+8=0.3. x=1. Simplify the result.1. Graph Solve the equation x^{2}-2x-8=0 when ± is plus and when ± is minus. Now the clever bit: Take the coefficient of x , which is 6 , divide by two, giving 3 , and finally square it giving 9. Step 1. x−3 = 0 x - 3 = 0. Tap for more steps 2(x−1)(3x+4) = 0 2 ( x - 1) ( 3 x + 4) = 0 x2+6x+8=0 Two solutions were found : x = -2 x = -4 Step by step solution : Step 1 :Trying to factor by splitting the middle term 1. Solving this new equation using the quadratic formula we get two real solutions : x2-6x+9=25 Two solutions were found : x = 8 x = -2 Rearrange: Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation : 2x2-8x+8>0 One solution was found : (x)2 > 2 Step by step solution : Step 1 :Equation at the end of step 1 : (2x2 - 8x) + 8 > 0 Step 2 : Step 3 :Pulling out like terms : Your expression is not defined when x< 8.0000i x =(6+√-196)/2=3+7i= 3. x^2 - 6x + 8 = 0.erauqs tcefrep a ton si ,2 x2 ,mret tsrif ehT . Get step-by-step answers and hints for your math homework problems. How do you factor a trinomial? To factor a trinomial x^2+bx+c find two numbers u, v that multiply to give c and add to b. Use the quadratic formula to find the solutions. Solve your math problems using our free math solver with step-by-step solutions. Determine the sign of the expression in that interval.0 = 2 + x 3 0 = 2+x3 . The middle term is, -3x its coefficient is -3 . Step 2.3 Solving x 2-6x+8 = 0 by the Quadratic Formula . Solve by Factoring 6x^2+x-2=0. 4.8.2 Solving x2+6x+8 = 0 by Completing The Square .5-in x 5. Jun 8, 2018 #x=-3" or "x=0# Explanation: #"factor the quadratic"# #2x(x+3)=0# #"equate each factor to zero and solve for x"# #2x=0rArrx=0# #x+3=0rArrx=-3# 2x^{2}+6x+8=0 Quadratic equations such as this one can be solved by completing the square. Step 2. Step 1. quadratic-equation-calculator.00/month.3.) Take the Square Root. Get immediate feedback and guidance with step-by-step solutions and Wolfram Problem Generator. Factor out of . Example 5 Solve x 2 + 6x - 7 = 0 by completing the square. Rewrite the equation in vertex form. Solve by Factoring x^2+2x-8=0. (b 2)2 = (3)2 ( b 2) 2 = ( 3) 2 Add the term to each side of the equation. Step 2. The result can be 99.