F(x)=3x^3+4x^2-9x-12

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Solution for F(x)=3x^3+4x^2-9x-12 equation: 


Simplifying
F(x) = 3x3 + 4x2 + -9x + -12

Multiply F * x
xF = 3x3 + 4x2 + -9x + -12

Reorder the terms:
xF = -12 + -9x + 4x2 + 3x3

Solving
xF = -12 + -9x + 4x2 + 3x3

Solving for variable 'x'.

Reorder the terms:
12 + 9x + xF + -4x2 + -3x3 = -12 + -9x + 4x2 + 3x3 + 12 + 9x + -4x2 + -3x3

Reorder the terms:
12 + 9x + xF + -4x2 + -3x3 = -12 + 12 + -9x + 9x + 4x2 + -4x2 + 3x3 + -3x3

Combine like terms: -12 + 12 = 0
12 + 9x + xF + -4x2 + -3x3 = 0 + -9x + 9x + 4x2 + -4x2 + 3x3 + -3x3
12 + 9x + xF + -4x2 + -3x3 = -9x + 9x + 4x2 + -4x2 + 3x3 + -3x3

Combine like terms: -9x + 9x = 0
12 + 9x + xF + -4x2 + -3x3 = 0 + 4x2 + -4x2 + 3x3 + -3x3
12 + 9x + xF + -4x2 + -3x3 = 4x2 + -4x2 + 3x3 + -3x3

Combine like terms: 4x2 + -4x2 = 0
12 + 9x + xF + -4x2 + -3x3 = 0 + 3x3 + -3x3
12 + 9x + xF + -4x2 + -3x3 = 3x3 + -3x3

Combine like terms: 3x3 + -3x3 = 0
12 + 9x + xF + -4x2 + -3x3 = 0

The solution to this equation could not be determined.

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