F(x)=x^3-3x^2-9x

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


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

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

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

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

Solving for variable 'x'.

Reorder the terms:
9x + xF + 3x2 + -1x3 = -9x + -3x2 + x3 + 9x + 3x2 + -1x3

Reorder the terms:
9x + xF + 3x2 + -1x3 = -9x + 9x + -3x2 + 3x2 + x3 + -1x3

Combine like terms: -9x + 9x = 0
9x + xF + 3x2 + -1x3 = 0 + -3x2 + 3x2 + x3 + -1x3
9x + xF + 3x2 + -1x3 = -3x2 + 3x2 + x3 + -1x3

Combine like terms: -3x2 + 3x2 = 0
9x + xF + 3x2 + -1x3 = 0 + x3 + -1x3
9x + xF + 3x2 + -1x3 = x3 + -1x3

Combine like terms: x3 + -1x3 = 0
9x + xF + 3x2 + -1x3 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(9 + F + 3x + -1x2) = 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 '(9 + F + 3x + -1x2)' equal to zero and attempt to solve:

Simplifying
9 + F + 3x + -1x2 = 0

Solving
9 + F + 3x + -1x2 = 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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