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

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


Simplifying
f(x) = x3(4 + 2x + -1x2)

Multiply f * x
fx = x3(4 + 2x + -1x2)
fx = (4 * x3 + 2x * x3 + -1x2 * x3)
fx = (4x3 + 2x4 + -1x5)

Solving
fx = 4x3 + 2x4 + -1x5

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 4x2 + 2x3 + -1x4

Simplifying
f = 4x2 + 2x3 + -1x4

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