f(-3)=-x^2-4x+5

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Solution for f(-3)=-x^2-4x+5 equation: 


Simplifying
f(-3) = -1x2 + -4x + 5

Reorder the terms for easier multiplication:
-3f = -1x2 + -4x + 5

Reorder the terms:
-3f = 5 + -4x + -1x2

Solving
-3f = 5 + -4x + -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 = -1.666666667 + 1.333333333x + 0.3333333333x2

Simplifying
f = -1.666666667 + 1.333333333x + 0.3333333333x2

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