f(x)=x^3+4x^3-9x-36

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Solution for f(x)=x^3+4x^3-9x-36 equation: 


Simplifying
f(x) = x3 + 4x3 + -9x + -36

Multiply f * x
fx = x3 + 4x3 + -9x + -36

Reorder the terms:
fx = -36 + -9x + x3 + 4x3

Combine like terms: x3 + 4x3 = 5x3
fx = -36 + -9x + 5x3

Solving
fx = -36 + -9x + 5x3

Solving for variable 'f'.

Move all terms containing f to the left, all other terms to the right.

Divide each side by 'x'.
f = -36x-1 + -9 + 5x2

Simplifying
f = -36x-1 + -9 + 5x2

Reorder the terms:
f = -9 + -36x-1 + 5x2

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