f-1(x)x=2

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Solution for f-1(x)x=2 equation: 


Simplifying
f + -1(x) * x = 2

Multiply x * x
f + -1x2 = 2

Solving
f + -1x2 = 2

Solving for variable 'f'.

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

Add 'x2' to each side of the equation.
f + -1x2 + x2 = 2 + x2

Combine like terms: -1x2 + x2 = 0
f + 0 = 2 + x2
f = 2 + x2

Simplifying
f = 2 + x2

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