f(x)=9x^3-81x^2-x+9

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Solution for f(x)=9x^3-81x^2-x+9 equation: 


Simplifying
f(x) = 9x3 + -81x2 + -1x + 9

Multiply f * x
fx = 9x3 + -81x2 + -1x + 9

Reorder the terms:
fx = 9 + -1x + -81x2 + 9x3

Solving
fx = 9 + -1x + -81x2 + 9x3

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 9x-1 + -1 + -81x + 9x2

Simplifying
f = 9x-1 + -1 + -81x + 9x2

Reorder the terms:
f = -1 + 9x-1 + -81x + 9x2

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