f(x)=5x^4+125x^3-5x^2-125x

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Solution for f(x)=5x^4+125x^3-5x^2-125x equation: 


Simplifying
f(x) = 5x4 + 125x3 + -5x2 + -125x

Multiply f * x
fx = 5x4 + 125x3 + -5x2 + -125x

Reorder the terms:
fx = -125x + -5x2 + 125x3 + 5x4

Solving
fx = -125x + -5x2 + 125x3 + 5x4

Solving for variable 'f'.

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

Divide each side by 'x'.
f = -125 + -5x + 125x2 + 5x3

Simplifying
f = -125 + -5x + 125x2 + 5x3

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