(-x^2+2x+3)+12=f(x)

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Solution for (-x^2+2x+3)+12=f(x) equation: 


Simplifying
(-1x2 + 2x + 3) + 12 = f(x)

Reorder the terms:
(3 + 2x + -1x2) + 12 = f(x)

Remove parenthesis around (3 + 2x + -1x2)
3 + 2x + -1x2 + 12 = f(x)

Reorder the terms:
3 + 12 + 2x + -1x2 = f(x)

Combine like terms: 3 + 12 = 15
15 + 2x + -1x2 = f(x)

Multiply f * x
15 + 2x + -1x2 = fx

Solving
15 + 2x + -1x2 = fx

Solving for variable 'x'.

Reorder the terms:
15 + -1fx + 2x + -1x2 = fx + -1fx

Combine like terms: fx + -1fx = 0
15 + -1fx + 2x + -1x2 = 0

The solution to this equation could not be determined.

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