f(x)=x^7-4x

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Solution for f(x)=x^7-4x equation: 


Simplifying
f(x) = x7 + -4x

Multiply f * x
fx = x7 + -4x

Reorder the terms:
fx = -4x + x7

Solving
fx = -4x + x7

Solving for variable 'f'.

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

Divide each side by 'x'.
f = -4 + x6

Simplifying
f = -4 + x6

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