F(x)=-x^2+4x+9

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Solution for F(x)=-x^2+4x+9 equation: 


Simplifying
F(x) = -1x2 + 4x + 9

Multiply F * x
xF = -1x2 + 4x + 9

Reorder the terms:
xF = 9 + 4x + -1x2

Solving
xF = 9 + 4x + -1x2

Solving for variable 'x'.

Reorder the terms:
-9 + -4x + xF + x2 = 9 + 4x + -1x2 + -9 + -4x + x2

Reorder the terms:
-9 + -4x + xF + x2 = 9 + -9 + 4x + -4x + -1x2 + x2

Combine like terms: 9 + -9 = 0
-9 + -4x + xF + x2 = 0 + 4x + -4x + -1x2 + x2
-9 + -4x + xF + x2 = 4x + -4x + -1x2 + x2

Combine like terms: 4x + -4x = 0
-9 + -4x + xF + x2 = 0 + -1x2 + x2
-9 + -4x + xF + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
-9 + -4x + xF + x2 = 0

The solution to this equation could not be determined.

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