x^2-1x=3x+12

Simple and best practice solution for x^2-1x=3x+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 x^2-1x=3x+12 equation:


Simplifying
x2 + -1x = 3x + 12

Reorder the terms:
-1x + x2 = 3x + 12

Reorder the terms:
-1x + x2 = 12 + 3x

Solving
-1x + x2 = 12 + 3x

Solving for variable 'x'.

Reorder the terms:
-12 + -1x + -3x + x2 = 12 + 3x + -12 + -3x

Combine like terms: -1x + -3x = -4x
-12 + -4x + x2 = 12 + 3x + -12 + -3x

Reorder the terms:
-12 + -4x + x2 = 12 + -12 + 3x + -3x

Combine like terms: 12 + -12 = 0
-12 + -4x + x2 = 0 + 3x + -3x
-12 + -4x + x2 = 3x + -3x

Combine like terms: 3x + -3x = 0
-12 + -4x + x2 = 0

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

Subproblem 1

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

Subproblem 2

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

Solution

x = {-2, 6}

See similar equations:

| -15x+18=-15x+21 | | 7t+9t=128 | | 10x-200=350 | | 2n=13 | | y-5=1.5(x+4) | | n=13 | | 4=-2-8 | | 2x-(-x)+15=(-x)-x | | -5r+6+4r=-r+2 | | 5(7x-10)=-50 | | 5(t^2+t-9)=0 | | y+1=-7(x+1) | | 4g-(2g+3)=0 | | 12-5x=7x+21 | | 7x-2=2x+9 | | -14=q-16 | | 6c-2c^2=26 | | 12-3n=18 | | 5-6w=11 | | y+4=1.5(x+2) | | -x+6=12 | | 8n-(4n+5)=15 | | 9.1=x/0.7 | | (x+7)+2x+9=2(3x) | | -(4x^3-6y)-5(3x^3+y)= | | 5.9q-1.7-5.2q=-0.3q-2.6 | | 2x+(x+20)+x=180 | | 2g-0.4=5.2 | | 2(x+17)-15=17 | | 4(-2x+7)=60 | | 2x+x+20+x=180 | | 3(10x-2)=-4(7x+11) |

Equations solver categories