3x^2-2x^2+8x=x-12

Simple and best practice solution for 3x^2-2x^2+8x=x-12 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^2-2x^2+8x=x-12 equation:


Simplifying
3x2 + -2x2 + 8x = x + -12

Reorder the terms:
8x + 3x2 + -2x2 = x + -12

Combine like terms: 3x2 + -2x2 = 1x2
8x + 1x2 = x + -12

Reorder the terms:
8x + 1x2 = -12 + x

Solving
8x + 1x2 = -12 + x

Solving for variable 'x'.

Reorder the terms:
12 + 8x + -1x + 1x2 = -12 + x + 12 + -1x

Combine like terms: 8x + -1x = 7x
12 + 7x + 1x2 = -12 + x + 12 + -1x

Reorder the terms:
12 + 7x + 1x2 = -12 + 12 + x + -1x

Combine like terms: -12 + 12 = 0
12 + 7x + 1x2 = 0 + x + -1x
12 + 7x + 1x2 = x + -1x

Combine like terms: x + -1x = 0
12 + 7x + 1x2 = 0

Factor a trinomial.
(4 + x)(3 + x) = 0

Subproblem 1

Set the factor '(4 + x)' equal to zero and attempt to solve: Simplifying 4 + x = 0 Solving 4 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + x = 0 + -4 x = 0 + -4 Combine like terms: 0 + -4 = -4 x = -4 Simplifying x = -4

Subproblem 2

Set the factor '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Simplifying x = -3

Solution

x = {-4, -3}

See similar equations:

| 4/1/3/2 | | 7/122/9 | | (16+2x)(20+2x)=1020 | | 6v+28=-8(4-2v) | | 11c-31=-53 | | (x)(x)4=400 | | n+5=4n+-6 | | N-19=5(2n+7) | | (4+x)(4+x)(2)=72 | | -3+m= | | 6x+6+8x+9=141 | | (16+x)(24+x)=660 | | (12+x)(22+x)=504 | | 3(12+3c)=9 | | (16+x)(30+x)=1632 | | (16+x)(16+x)=1632 | | -9c=-45 | | cos(x)=0.55 | | 2(4c-2)-12=-24 | | 5a^2=15+5a | | 3x^2-6=-21 | | 14=6x-5-5x | | 7x+7x=0 | | x^2=16-6 | | 2(2Y-1)=2(Y+2) | | (2Y-1)=2(Y+2) | | f(3)=x/|x| | | 2x+4x+12=30 | | 30=3/5y | | 27-12x/5-3x | | f(x)=6x^2-33x-18 | | .29+5=8 |

Equations solver categories