f(x)=x^2+9-x+7

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Solution for f(x)=x^2+9-x+7 equation: 


Simplifying
f(x) = x2 + 9 + -1x + 7

Multiply f * x
fx = x2 + 9 + -1x + 7

Reorder the terms:
fx = 9 + 7 + -1x + x2

Combine like terms: 9 + 7 = 16
fx = 16 + -1x + x2

Solving
fx = 16 + -1x + x2

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 16x-1 + -1 + x

Simplifying
f = 16x-1 + -1 + x

Reorder the terms:
f = -1 + 16x-1 + x

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