f-1(x)=x^2+8x+2

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Solution for f-1(x)=x^2+8x+2 equation: 


Simplifying
f + -1(x) = x2 + 8x + 2

Reorder the terms:
f + -1x = 2 + 8x + x2

Solving
f + -1x = 2 + 8x + x2

Solving for variable 'f'.

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

Add 'x' to each side of the equation.
f + -1x + x = 2 + 8x + x + x2

Combine like terms: -1x + x = 0
f + 0 = 2 + 8x + x + x2
f = 2 + 8x + x + x2

Combine like terms: 8x + x = 9x
f = 2 + 9x + x2

Simplifying
f = 2 + 9x + x2

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