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

Solution for x^3+8x^2=-12x equation:

Simplifying
x3 + 8x2 = -12x

Reorder the terms:
8x2 + x3 = -12x

Solving
8x2 + x3 = -12x

Solving for variable 'x'.

Reorder the terms:
12x + 8x2 + x3 = -12x + 12x

Combine like terms: -12x + 12x = 0
12x + 8x2 + x3 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(12 + 8x + x2) = 0

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

Subproblem 1
Set the factor 'x' equal to zero and attempt to solve:

Simplifying
x = 0

Solving
x = 0

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

Simplifying
x = 0
Subproblem 2
Set the factor '(6 + x)' equal to zero and attempt to solve:

Simplifying
6 + x = 0

Solving
6 + x = 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 + x = 0 + -6

Combine like terms: 6 + -6 = 0
0 + x = 0 + -6
x = 0 + -6

Combine like terms: 0 + -6 = -6
x = -6

Simplifying
x = -6
Subproblem 3
Set the factor '(2 + x)' equal to zero and attempt to solve:

Simplifying
2 + x = 0

Solving
2 + x = 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 + x = 0 + -2

Combine like terms: 2 + -2 = 0
0 + x = 0 + -2
x = 0 + -2

Combine like terms: 0 + -2 = -2
x = -2

Simplifying
x = -2
Solution
x = {0, -6, -2}