P(x)=x^3+3x^2-4x-12

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Solution for P(x)=x^3+3x^2-4x-12 equation: 


Simplifying
P(x) = x3 + 3x2 + -4x + -12

Multiply P * x
xP = x3 + 3x2 + -4x + -12

Reorder the terms:
xP = -12 + -4x + 3x2 + x3

Solving
xP = -12 + -4x + 3x2 + x3

Solving for variable 'x'.

Reorder the terms:
12 + 4x + xP + -3x2 + -1x3 = -12 + -4x + 3x2 + x3 + 12 + 4x + -3x2 + -1x3

Reorder the terms:
12 + 4x + xP + -3x2 + -1x3 = -12 + 12 + -4x + 4x + 3x2 + -3x2 + x3 + -1x3

Combine like terms: -12 + 12 = 0
12 + 4x + xP + -3x2 + -1x3 = 0 + -4x + 4x + 3x2 + -3x2 + x3 + -1x3
12 + 4x + xP + -3x2 + -1x3 = -4x + 4x + 3x2 + -3x2 + x3 + -1x3

Combine like terms: -4x + 4x = 0
12 + 4x + xP + -3x2 + -1x3 = 0 + 3x2 + -3x2 + x3 + -1x3
12 + 4x + xP + -3x2 + -1x3 = 3x2 + -3x2 + x3 + -1x3

Combine like terms: 3x2 + -3x2 = 0
12 + 4x + xP + -3x2 + -1x3 = 0 + x3 + -1x3
12 + 4x + xP + -3x2 + -1x3 = x3 + -1x3

Combine like terms: x3 + -1x3 = 0
12 + 4x + xP + -3x2 + -1x3 = 0

The solution to this equation could not be determined.

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