(fog)(x)=x^2-2x

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Solution for (fog)(x)=x^2-2x equation: 


Simplifying
(fog)(x) = x2 + -2x

Multiply fgo * x
fgox = x2 + -2x

Reorder the terms:
fgox = -2x + x2

Solving
fgox = -2x + x2

Solving for variable 'f'.

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

Divide each side by 'gox'.
f = -2g-1o-1 + g-1o-1x

Simplifying
f = -2g-1o-1 + g-1o-1x

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