gf(x)=4x^2+20x

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Solution for gf(x)=4x^2+20x equation: 


Simplifying
gf(x) = 4x2 + 20x

Multiply fg * x
fgx = 4x2 + 20x

Reorder the terms:
fgx = 20x + 4x2

Solving
fgx = 20x + 4x2

Solving for variable 'f'.

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

Divide each side by 'gx'.
f = 20g-1 + 4g-1x

Simplifying
f = 20g-1 + 4g-1x

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