F(x)=-x^3+9x^2-15x-4

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Solution for F(x)=-x^3+9x^2-15x-4 equation: 


Simplifying
F(x) = -1x3 + 9x2 + -15x + -4

Multiply F * x
xF = -1x3 + 9x2 + -15x + -4

Reorder the terms:
xF = -4 + -15x + 9x2 + -1x3

Solving
xF = -4 + -15x + 9x2 + -1x3

Solving for variable 'x'.

Reorder the terms:
4 + 15x + xF + -9x2 + x3 = -4 + -15x + 9x2 + -1x3 + 4 + 15x + -9x2 + x3

Reorder the terms:
4 + 15x + xF + -9x2 + x3 = -4 + 4 + -15x + 15x + 9x2 + -9x2 + -1x3 + x3

Combine like terms: -4 + 4 = 0
4 + 15x + xF + -9x2 + x3 = 0 + -15x + 15x + 9x2 + -9x2 + -1x3 + x3
4 + 15x + xF + -9x2 + x3 = -15x + 15x + 9x2 + -9x2 + -1x3 + x3

Combine like terms: -15x + 15x = 0
4 + 15x + xF + -9x2 + x3 = 0 + 9x2 + -9x2 + -1x3 + x3
4 + 15x + xF + -9x2 + x3 = 9x2 + -9x2 + -1x3 + x3

Combine like terms: 9x2 + -9x2 = 0
4 + 15x + xF + -9x2 + x3 = 0 + -1x3 + x3
4 + 15x + xF + -9x2 + x3 = -1x3 + x3

Combine like terms: -1x3 + x3 = 0
4 + 15x + xF + -9x2 + x3 = 0

The solution to this equation could not be determined.

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