f(x)=x^4+7x^3-8x-56

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Solution for f(x)=x^4+7x^3-8x-56 equation: 


Simplifying
f(x) = x4 + 7x3 + -8x + -56

Multiply f * x
fx = x4 + 7x3 + -8x + -56

Reorder the terms:
fx = -56 + -8x + 7x3 + x4

Solving
fx = -56 + -8x + 7x3 + 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 = -56x-1 + -8 + 7x2 + x3

Simplifying
f = -56x-1 + -8 + 7x2 + x3

Reorder the terms:
f = -8 + -56x-1 + 7x2 + x3

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