F(x)=3x^4+5x^3-12x^2-9x-5

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Solution for F(x)=3x^4+5x^3-12x^2-9x-5 equation: 


Simplifying
F(x) = 3x4 + 5x3 + -12x2 + -9x + -5

Multiply F * x
xF = 3x4 + 5x3 + -12x2 + -9x + -5

Reorder the terms:
xF = -5 + -9x + -12x2 + 5x3 + 3x4

Solving
xF = -5 + -9x + -12x2 + 5x3 + 3x4

Solving for variable 'x'.

Reorder the terms:
5 + 9x + xF + 12x2 + -5x3 + -3x4 = -5 + -9x + -12x2 + 5x3 + 3x4 + 5 + 9x + 12x2 + -5x3 + -3x4

Reorder the terms:
5 + 9x + xF + 12x2 + -5x3 + -3x4 = -5 + 5 + -9x + 9x + -12x2 + 12x2 + 5x3 + -5x3 + 3x4 + -3x4

Combine like terms: -5 + 5 = 0
5 + 9x + xF + 12x2 + -5x3 + -3x4 = 0 + -9x + 9x + -12x2 + 12x2 + 5x3 + -5x3 + 3x4 + -3x4
5 + 9x + xF + 12x2 + -5x3 + -3x4 = -9x + 9x + -12x2 + 12x2 + 5x3 + -5x3 + 3x4 + -3x4

Combine like terms: -9x + 9x = 0
5 + 9x + xF + 12x2 + -5x3 + -3x4 = 0 + -12x2 + 12x2 + 5x3 + -5x3 + 3x4 + -3x4
5 + 9x + xF + 12x2 + -5x3 + -3x4 = -12x2 + 12x2 + 5x3 + -5x3 + 3x4 + -3x4

Combine like terms: -12x2 + 12x2 = 0
5 + 9x + xF + 12x2 + -5x3 + -3x4 = 0 + 5x3 + -5x3 + 3x4 + -3x4
5 + 9x + xF + 12x2 + -5x3 + -3x4 = 5x3 + -5x3 + 3x4 + -3x4

Combine like terms: 5x3 + -5x3 = 0
5 + 9x + xF + 12x2 + -5x3 + -3x4 = 0 + 3x4 + -3x4
5 + 9x + xF + 12x2 + -5x3 + -3x4 = 3x4 + -3x4

Combine like terms: 3x4 + -3x4 = 0
5 + 9x + xF + 12x2 + -5x3 + -3x4 = 0

The solution to this equation could not be determined.

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