-x^2+8x+9=f(x)

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Solution for -x^2+8x+9=f(x) equation: 


Simplifying
-1x2 + 8x + 9 = f(x)

Reorder the terms:
9 + 8x + -1x2 = f(x)

Multiply f * x
9 + 8x + -1x2 = fx

Solving
9 + 8x + -1x2 = fx

Solving for variable 'x'.

Reorder the terms:
9 + -1fx + 8x + -1x2 = fx + -1fx

Combine like terms: fx + -1fx = 0
9 + -1fx + 8x + -1x2 = 0

The solution to this equation could not be determined.

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