3x^2-4x=2x+6

Simple and best practice solution for 3x^2-4x=2x+6 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 3x^2-4x=2x+6 equation:


Simplifying
3x2 + -4x = 2x + 6

Reorder the terms:
-4x + 3x2 = 2x + 6

Reorder the terms:
-4x + 3x2 = 6 + 2x

Solving
-4x + 3x2 = 6 + 2x

Solving for variable 'x'.

Reorder the terms:
-6 + -4x + -2x + 3x2 = 6 + 2x + -6 + -2x

Combine like terms: -4x + -2x = -6x
-6 + -6x + 3x2 = 6 + 2x + -6 + -2x

Reorder the terms:
-6 + -6x + 3x2 = 6 + -6 + 2x + -2x

Combine like terms: 6 + -6 = 0
-6 + -6x + 3x2 = 0 + 2x + -2x
-6 + -6x + 3x2 = 2x + -2x

Combine like terms: 2x + -2x = 0
-6 + -6x + 3x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-2 + -2x + x2) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-2 + -2x + x2)' equal to zero and attempt to solve: Simplifying -2 + -2x + x2 = 0 Solving -2 + -2x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '2' to each side of the equation. -2 + -2x + 2 + x2 = 0 + 2 Reorder the terms: -2 + 2 + -2x + x2 = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -2x + x2 = 0 + 2 -2x + x2 = 0 + 2 Combine like terms: 0 + 2 = 2 -2x + x2 = 2 The x term is -2x. Take half its coefficient (-1). Square it (1) and add it to both sides. Add '1' to each side of the equation. -2x + 1 + x2 = 2 + 1 Reorder the terms: 1 + -2x + x2 = 2 + 1 Combine like terms: 2 + 1 = 3 1 + -2x + x2 = 3 Factor a perfect square on the left side: (x + -1)(x + -1) = 3 Calculate the square root of the right side: 1.732050808 Break this problem into two subproblems by setting (x + -1) equal to 1.732050808 and -1.732050808.

Subproblem 1

x + -1 = 1.732050808 Simplifying x + -1 = 1.732050808 Reorder the terms: -1 + x = 1.732050808 Solving -1 + x = 1.732050808 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = 1.732050808 + 1 Combine like terms: -1 + 1 = 0 0 + x = 1.732050808 + 1 x = 1.732050808 + 1 Combine like terms: 1.732050808 + 1 = 2.732050808 x = 2.732050808 Simplifying x = 2.732050808

Subproblem 2

x + -1 = -1.732050808 Simplifying x + -1 = -1.732050808 Reorder the terms: -1 + x = -1.732050808 Solving -1 + x = -1.732050808 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = -1.732050808 + 1 Combine like terms: -1 + 1 = 0 0 + x = -1.732050808 + 1 x = -1.732050808 + 1 Combine like terms: -1.732050808 + 1 = -0.732050808 x = -0.732050808 Simplifying x = -0.732050808

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.732050808, -0.732050808}

Solution

x = {2.732050808, -0.732050808}

See similar equations:

| 12+73x+6x^2=0 | | y=(3x+5)(2x-1) | | y-.4=-.33 | | 3x+3y=-36 | | h(z)=z^2+2z-7 | | 2y-.6=.5 | | x^2+7=-71 | | 12x-4x-5=0 | | 2y=8x+8 | | Cos(5X)=-1 | | 7+7x-6x=10 | | 6n^2=-12-1 | | 5a-10=10-5a | | 9-7x+2x=-11 | | 4x^2+7=13x | | 5(4n-4)=-160 | | -13=2x-4x+5 | | 10x+7=4x-53 | | 3x+12+7x+5=147 | | 2(8x+3)+1=7(2x+1)+2x | | 2x^2=3y+9 | | 3+65x=39x+19 | | 4-x+7x=-38 | | xy-6x+2y=30 | | x^2+7x+2=2x+2 | | 32*6= | | (5z+6)(3+z)=0 | | x+13=3x(-2x) | | x-18y=14 | | 2x^2-27x=-36 | | x^3+5x^2+2x=2 | | -3(6n+5)=75 |

Equations solver categories