F(x)=x^2-8x-9

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


Simplifying
F(x) = x2 + -8x + -9

Multiply F * x
xF = x2 + -8x + -9

Reorder the terms:
xF = -9 + -8x + x2

Solving
xF = -9 + -8x + x2

Solving for variable 'x'.

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

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

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

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

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

The solution to this equation could not be determined.

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