F(x)=81-16x^2

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Solution for F(x)=81-16x^2 equation: 


Simplifying
F(x) = 81 + -16x2

Multiply F * x
xF = 81 + -16x2

Solving
xF = 81 + -16x2

Solving for variable 'x'.

Reorder the terms:
-81 + xF + 16x2 = 81 + -16x2 + -81 + 16x2

Reorder the terms:
-81 + xF + 16x2 = 81 + -81 + -16x2 + 16x2

Combine like terms: 81 + -81 = 0
-81 + xF + 16x2 = 0 + -16x2 + 16x2
-81 + xF + 16x2 = -16x2 + 16x2

Combine like terms: -16x2 + 16x2 = 0
-81 + xF + 16x2 = 0

The solution to this equation could not be determined.

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