7x^2-12=6x^2-4x

Simple and best practice solution for 7x^2-12=6x^2-4x 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 7x^2-12=6x^2-4x equation:


Simplifying
7x2 + -12 = 6x2 + -4x

Reorder the terms:
-12 + 7x2 = 6x2 + -4x

Reorder the terms:
-12 + 7x2 = -4x + 6x2

Solving
-12 + 7x2 = -4x + 6x2

Solving for variable 'x'.

Reorder the terms:
-12 + 4x + 7x2 + -6x2 = -4x + 6x2 + 4x + -6x2

Combine like terms: 7x2 + -6x2 = 1x2
-12 + 4x + 1x2 = -4x + 6x2 + 4x + -6x2

Reorder the terms:
-12 + 4x + 1x2 = -4x + 4x + 6x2 + -6x2

Combine like terms: -4x + 4x = 0
-12 + 4x + 1x2 = 0 + 6x2 + -6x2
-12 + 4x + 1x2 = 6x2 + -6x2

Combine like terms: 6x2 + -6x2 = 0
-12 + 4x + 1x2 = 0

Factor a trinomial.
(-6 + -1x)(2 + -1x) = 0

Subproblem 1

Set the factor '(-6 + -1x)' equal to zero and attempt to solve: Simplifying -6 + -1x = 0 Solving -6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + -1x = 0 + 6 Combine like terms: -6 + 6 = 0 0 + -1x = 0 + 6 -1x = 0 + 6 Combine like terms: 0 + 6 = 6 -1x = 6 Divide each side by '-1'. x = -6 Simplifying x = -6

Subproblem 2

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Solution

x = {-6, 2}

See similar equations:

| 57-3t=7+2t | | 18x=132+11x | | 8x^3-15x-5=0 | | 66x=169 | | 3x^2-6x+3=4x | | 12x+55=169 | | P=120-20Q | | 3(4x+4)=4(3x+3) | | 8.7x=13.2(x-2) | | -18=2x-8 | | 5n-8+3n=32 | | 30x+20(x-4)=470 | | -9x+7+10x=-11+8 | | 2x-67=-130-5x | | 6=0.8x+4 | | 100-3x=20+5 | | 2-7(y+4)=y+9 | | 11w-8=36 | | -5(y+2)+1=-4 | | x+(x+10)+(x-5)=140 | | 3x-4=2(x+4) | | -3p+2=-30 | | -(3x-4)-(2x-5)+3=-5(x-1)-(3x+2)+3 | | 20nd=1.45 | | -4(x+1)=2(x-4)+2x | | 2x^2-18xy-5x+45y=0 | | 7/8=1/4x+1/2 | | 10x^2-30-8=0 | | 2(4X+1)=3X | | -3n-5n=48 | | (8)(-3)= | | 21n=9b-6b |

Equations solver categories