f(-2)=3x^2-8x+7

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Solution for f(-2)=3x^2-8x+7 equation: 


Simplifying
f(-2) = 3x2 + -8x + 7

Reorder the terms for easier multiplication:
-2f = 3x2 + -8x + 7

Reorder the terms:
-2f = 7 + -8x + 3x2

Solving
-2f = 7 + -8x + 3x2

Solving for variable 'f'.

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

Divide each side by '-2'.
f = -3.5 + 4x + -1.5x2

Simplifying
f = -3.5 + 4x + -1.5x2

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