F(-2)=2x^2-5

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Solution for F(-2)=2x^2-5 equation: 


Simplifying
F(-2) = 2x2 + -5

Reorder the terms for easier multiplication:
-2F = 2x2 + -5

Reorder the terms:
-2F = -5 + 2x2

Solving
-2F = -5 + 2x2

Solving for variable 'F'.

Move all terms containing F to the left, all other terms to the right.

Divide each side by '-2'.
F = 2.5 + -1x2

Simplifying
F = 2.5 + -1x2

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