f(x)=x^3-8x^2-20x

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Solution for f(x)=x^3-8x^2-20x equation: 


Simplifying
f(x) = x3 + -8x2 + -20x

Multiply f * x
fx = x3 + -8x2 + -20x

Reorder the terms:
fx = -20x + -8x2 + x3

Solving
fx = -20x + -8x2 + x3

Solving for variable 'f'.

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

Divide each side by 'x'.
f = -20 + -8x + x2

Simplifying
f = -20 + -8x + x2

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