f(x)=3-7x-8x^3

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Solution for f(x)=3-7x-8x^3 equation: 


Simplifying
f(x) = 3 + -7x + -8x3

Multiply f * x
fx = 3 + -7x + -8x3

Solving
fx = 3 + -7x + -8x3

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 3x-1 + -7 + -8x2

Simplifying
f = 3x-1 + -7 + -8x2

Reorder the terms:
f = -7 + 3x-1 + -8x2

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