f(x)=3y^3+9y^2-12y

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Solution for f(x)=3y^3+9y^2-12y equation: 


Simplifying
f(x) = 3y3 + 9y2 + -12y

Multiply f * x
fx = 3y3 + 9y2 + -12y

Reorder the terms:
fx = -12y + 9y2 + 3y3

Solving
fx = -12y + 9y2 + 3y3

Solving for variable 'f'.

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

Divide each side by 'x'.
f = -12x-1y + 9x-1y2 + 3x-1y3

Simplifying
f = -12x-1y + 9x-1y2 + 3x-1y3

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