x(x+4)=x^2-12

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


Simplifying
x(x + 4) = x2 + -12

Reorder the terms:
x(4 + x) = x2 + -12
(4 * x + x * x) = x2 + -12
(4x + x2) = x2 + -12

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

Add '-1x2' to each side of the equation.
4x + x2 + -1x2 = -12 + x2 + -1x2

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

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

Solving
4x = -12

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Divide each side by '4'.
x = -3

Simplifying
x = -3

See similar equations:

| 102=6s+12 | | 7x-3x-10=0 | | W/-5+17=-4 | | y=-7/9x+1 | | 8x+(-10x-(x+4))=-(2x+(-6x-4)) | | [9(y+5)-16]+[3(y-2)+1]= | | 228=2w+4w+6 | | [9(y-5)-16]+[3(y-2)+1]= | | 4b^2/5b | | 3(x+7)-2x=5x-7 | | 9x^2+23x+82=0 | | -67h+602=53h | | 2x+4(3x+4)=86 | | [8(9-4)-3]-[5-(3-2)]= | | 150x+2=195x+1 | | -6-3(0)=-1-5(-3(0)+1) | | 6x+3(4x-17)=129 | | 3/2+2(-13/6) | | 115=3x+2(5x-14) | | 4p+6q-5(4p-9q+6r)= | | -3/2+2(-13/6) | | -7x+5x+3x=-9 | | -3/2+(7/5)(7/6) | | 116=4x+3(7x-3) | | 4x-3x+8-12=6 | | 1+8x+8p-2x-3p+4= | | log(A)6=0.5 | | (4u-3v+9w)-4(-4u+2v-6w)= | | 16x^4-4=0 | | -4/3-9/5x=-4/3 | | 0.18(y-7)+0.04y=0.06y-1.5 | | 7x+4(x-6)=64 |

Equations solver categories