x^2=12-4x

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


Simplifying
x2 = 12 + -4x

Solving
x2 = 12 + -4x

Solving for variable 'x'.

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

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

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

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

| (X+3)/2=8 | | 54.94/10 | | x/5-4=-8 | | (3x-9)/10-(x/5)=(x/10)+6 | | 0.5x+4/3x=x+10 | | 6x+8=6(x+3)-10 | | -9.5(1+4c)=22.5 | | x^2+6x+23= | | -8+3y=-9 | | 24=-3(21-m)+2(m-4) | | 10x+125=y | | -4a/5-3=7 | | 1/14(3x-2)=x+10/10 | | 2x-6=2(x+9) | | 0=((2x-1)/(x+2))-((x+1)/(x-1))-2 | | -50+11x=34+8x | | 14x-8=-3x-13 | | 2(x+2)/3+4x-3 | | -5(v+4)+2v+7=6v+10 | | 258-x=258-215 | | v^2+2v-32=0 | | (3x-14)/5+(x/20)=(x/4)-2 | | (5x-9)/(5x+3)=(5/6) | | -31+(-26)-(-13)-18= | | 1/5(5x-7)=3 | | 10(7a+5)=90 | | 1/8v=20 | | (11/10)(3a-10)=(-6/5)a | | x^(2/3)-2x^(1/3)-3=0 | | R=4h+4v | | (10/4)y+(8/2)=2y-1 | | -3(8k+7.5)=-27.5 |

Equations solver categories