f(-3)=-8x^2

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Solution for f(-3)=-8x^2 equation: 


Simplifying
f(-3) = -8x2

Reorder the terms for easier multiplication:
-3f = -8x2

Solving
-3f = -8x2

Solving for variable 'f'.

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

Divide each side by '-3'.
f = 2.666666667x2

Simplifying
f = 2.666666667x2

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