x^3+9x^2+11x-21=f(x)

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Solution for x^3+9x^2+11x-21=f(x) equation: 


Simplifying
x3 + 9x2 + 11x + -21 = f(x)

Reorder the terms:
-21 + 11x + 9x2 + x3 = f(x)

Multiply f * x
-21 + 11x + 9x2 + x3 = fx

Solving
-21 + 11x + 9x2 + x3 = fx

Solving for variable 'x'.

Reorder the terms:
-21 + -1fx + 11x + 9x2 + x3 = fx + -1fx

Combine like terms: fx + -1fx = 0
-21 + -1fx + 11x + 9x2 + x3 = 0

The solution to this equation could not be determined.

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