F(x)=7-x-2x^2

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Solution for F(x)=7-x-2x^2 equation: 


Simplifying
F(x) = 7 + -1x + -2x2

Multiply F * x
xF = 7 + -1x + -2x2

Solving
xF = 7 + -1x + -2x2

Solving for variable 'x'.

Reorder the terms:
-7 + x + xF + 2x2 = 7 + -1x + -2x2 + -7 + x + 2x2

Reorder the terms:
-7 + x + xF + 2x2 = 7 + -7 + -1x + x + -2x2 + 2x2

Combine like terms: 7 + -7 = 0
-7 + x + xF + 2x2 = 0 + -1x + x + -2x2 + 2x2
-7 + x + xF + 2x2 = -1x + x + -2x2 + 2x2

Combine like terms: -1x + x = 0
-7 + x + xF + 2x2 = 0 + -2x2 + 2x2
-7 + x + xF + 2x2 = -2x2 + 2x2

Combine like terms: -2x2 + 2x2 = 0
-7 + x + xF + 2x2 = 0

The solution to this equation could not be determined.

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