4x^2+4x=2

Simple and best practice solution for 4x^2+4x=2 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 4x^2+4x=2 equation:


Simplifying
4x2 + 4x = 2

Reorder the terms:
4x + 4x2 = 2

Solving
4x + 4x2 = 2

Solving for variable 'x'.

Reorder the terms:
-2 + 4x + 4x2 = 2 + -2

Combine like terms: 2 + -2 = 0
-2 + 4x + 4x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-1 + 2x + 2x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-1 + 2x + 2x2)' equal to zero and attempt to solve: Simplifying -1 + 2x + 2x2 = 0 Solving -1 + 2x + 2x2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. -0.5 + x + x2 = 0 Move the constant term to the right: Add '0.5' to each side of the equation. -0.5 + x + 0.5 + x2 = 0 + 0.5 Reorder the terms: -0.5 + 0.5 + x + x2 = 0 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x + x2 = 0 + 0.5 x + x2 = 0 + 0.5 Combine like terms: 0 + 0.5 = 0.5 x + x2 = 0.5 The x term is x. Take half its coefficient (0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. + 0.25 + x2 = 0.5 + 0.25 Combine like terms: + 0.25 = 1.25 1.25 + x2 = 0.5 + 0.25 Combine like terms: 0.5 + 0.25 = 0.75 1.25 + x2 = 0.75 Factor a perfect square on the left side: (x + 0.5)(x + 0.5) = 0.75 Calculate the square root of the right side: 0.866025404 Break this problem into two subproblems by setting (x + 0.5) equal to 0.866025404 and -0.866025404.

Subproblem 1

x + 0.5 = 0.866025404 Simplifying x + 0.5 = 0.866025404 Reorder the terms: 0.5 + x = 0.866025404 Solving 0.5 + x = 0.866025404 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = 0.866025404 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 0.866025404 + -0.5 x = 0.866025404 + -0.5 Combine like terms: 0.866025404 + -0.5 = 0.366025404 x = 0.366025404 Simplifying x = 0.366025404

Subproblem 2

x + 0.5 = -0.866025404 Simplifying x + 0.5 = -0.866025404 Reorder the terms: 0.5 + x = -0.866025404 Solving 0.5 + x = -0.866025404 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = -0.866025404 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -0.866025404 + -0.5 x = -0.866025404 + -0.5 Combine like terms: -0.866025404 + -0.5 = -1.366025404 x = -1.366025404 Simplifying x = -1.366025404

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.366025404, -1.366025404}

Solution

x = {0.366025404, -1.366025404}

See similar equations:

| 3x+4(x-3)=44 | | 5x-1=-9x-57 | | 6(x+9)+1=61 | | 4x+2(2x-7)=74 | | (2+z)(4z+7)=0 | | 9x/6=3 | | x=163+-1y | | (2x-1)+(3x+5)=0 | | -16=-0.5K | | 2e^3x+5=35 | | 5.9+6=3x | | 3-v+6v=-22 | | 2x(x-5)+4x-18=4x | | 7x+5(x+2)=70 | | -6+5z=4z | | 30=-6(4n+1)+6(n-6) | | -1-10c=9-9c | | Y=sen^3(3x+5) | | 3x+4(2x-4)=72 | | 33.00=7g+3.67 | | x/11=/1-11 | | -5x+7y=-30 | | x+y+125+72=360 | | -6(-4+5b)+6(1+6b)=72 | | 0=2x^3-8x^2-8x-1 | | 5sin(2x-10)-4=0 | | 2xy+3y^2+3x^2y=0 | | 3x+2(x-8)=29 | | 78=1+7(3x-7) | | y+116=180 | | 4+0.15x=0.2+0.05x-1.03 | | 9xf=117 |

Equations solver categories