F(-2)=x^3+6x

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Solution for F(-2)=x^3+6x equation: 


Simplifying
F(-2) = x3 + 6x

Reorder the terms for easier multiplication:
-2F = x3 + 6x

Reorder the terms:
-2F = 6x + x3

Solving
-2F = 6x + x3

Solving for variable 'F'.

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

Divide each side by '-2'.
F = -3x + -0.5x3

Simplifying
F = -3x + -0.5x3

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