x^2+-4x=12

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


Simplifying
x2 + -4x = 12

Reorder the terms:
-4x + x2 = 12

Solving
-4x + x2 = 12

Solving for variable 'x'.

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

Combine like terms: 12 + -12 = 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:

| -4x-6=-46 | | 9=9x+53 | | y=cos(-7x)graph | | 2*5-3y=16 | | 6a-11=7 | | 12x+(-5-25x)+(-40x-10)=0 | | 5.4x-3=4.4x | | 6(a+3)=2b-10 | | y=cos(-7x) | | -17x+13(13)=48 | | (2x^3y)(-3x^2y^3)= | | -17(17)+13y=48 | | a(b+8)=ab | | x^3-5x+8=0 | | 11(x+y)= | | 102=96t-16t^2 | | (6x-5)+(x-1)=5 | | 6p-(5p+5)=-8-2(p+11) | | 8x+6+7x-3= | | 2x+x+x+50+x+20=360 | | 2*11-3y=16 | | x-7.48=3.8 | | 21z^2+13z-20= | | (4+u)(2u-7)=0 | | 75x^3+100x^2-27x-36=0 | | 6t-11=3t-5 | | 7x^3+100x^2-27x-36=0 | | 2tan^2x+1=7 | | Log(x+4)=log(4x-5) | | 2*14-3y=16 | | 10=2(6n-1) | | 2930=c+100+200 |

Equations solver categories