f(g(x))x=3

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Solution for f(g(x))x=3 equation: 


Simplifying
f(g(x)) * x = 3

Multiply g * x
f(gx) * x = 3

Multiply f * gx
fgx * x = 3

Multiply fgx * x
fgx2 = 3

Solving
fgx2 = 3

Solving for variable 'f'.

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

Divide each side by 'gx2'.
f = 3g-1x-2

Simplifying
f = 3g-1x-2

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