f(x)=(x^4-16)

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Solution for f(x)=(x^4-16) equation: 


Simplifying
f(x) = (x4 + -16)

Multiply f * x
fx = (x4 + -16)

Reorder the terms:
fx = (-16 + x4)

Remove parenthesis around (-16 + x4)
fx = -16 + x4

Solving
fx = -16 + x4

Solving for variable 'f'.

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

Divide each side by 'x'.
f = -16x-1 + x3

Simplifying
f = -16x-1 + x3

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