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

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


Simplifying
f(-3) = -1x2 + 2x + -7

Reorder the terms for easier multiplication:
-3f = -1x2 + 2x + -7

Reorder the terms:
-3f = -7 + 2x + -1x2

Solving
-3f = -7 + 2x + -1x2

Solving for variable 'f'.

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

Divide each side by '-3'.
f = 2.333333333 + -0.6666666667x + 0.3333333333x2

Simplifying
f = 2.333333333 + -0.6666666667x + 0.3333333333x2

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