f(x)=x^3+8x^2-3x-90

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Solution for f(x)=x^3+8x^2-3x-90 equation: 


Simplifying
f(x) = x3 + 8x2 + -3x + -90

Multiply f * x
fx = x3 + 8x2 + -3x + -90

Reorder the terms:
fx = -90 + -3x + 8x2 + x3

Solving
fx = -90 + -3x + 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 = -90x-1 + -3 + 8x + x2

Simplifying
f = -90x-1 + -3 + 8x + x2

Reorder the terms:
f = -3 + -90x-1 + 8x + x2

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