=x^4+x^3-8x^2-12x

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Solution for =x^4+x^3-8x^2-12x equation: 


Simplifying
0 = x4 + x3 + -8x2 + -12x

Reorder the terms:
0 = -12x + -8x2 + x3 + x4

Solving
0 = -12x + -8x2 + x3 + x4

Solving for variable 'x'.
Remove the zero:
12x + 8x2 + -1x3 + -1x4 = -12x + -8x2 + x3 + x4 + 12x + 8x2 + -1x3 + -1x4

Reorder the terms:
12x + 8x2 + -1x3 + -1x4 = -12x + 12x + -8x2 + 8x2 + x3 + -1x3 + x4 + -1x4

Combine like terms: -12x + 12x = 0
12x + 8x2 + -1x3 + -1x4 = 0 + -8x2 + 8x2 + x3 + -1x3 + x4 + -1x4
12x + 8x2 + -1x3 + -1x4 = -8x2 + 8x2 + x3 + -1x3 + x4 + -1x4

Combine like terms: -8x2 + 8x2 = 0
12x + 8x2 + -1x3 + -1x4 = 0 + x3 + -1x3 + x4 + -1x4
12x + 8x2 + -1x3 + -1x4 = x3 + -1x3 + x4 + -1x4

Combine like terms: x3 + -1x3 = 0
12x + 8x2 + -1x3 + -1x4 = 0 + x4 + -1x4
12x + 8x2 + -1x3 + -1x4 = x4 + -1x4

Combine like terms: x4 + -1x4 = 0
12x + 8x2 + -1x3 + -1x4 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(12 + 8x + -1x2 + -1x3) = 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 '(12 + 8x + -1x2 + -1x3)' equal to zero and attempt to solve:

Simplifying
12 + 8x + -1x2 + -1x3 = 0

Solving
12 + 8x + -1x2 + -1x3 = 0

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.
Solution
x = {0}

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