f(-1)=-x^2-2x+6

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Solution for f(-1)=-x^2-2x+6 equation: 


Simplifying
f(-1) = -1x2 + -2x + 6

Reorder the terms for easier multiplication:
-1f = -1x2 + -2x + 6

Reorder the terms:
-1f = 6 + -2x + -1x2

Solving
-1f = 6 + -2x + -1x2

Solving for variable 'f'.

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

Divide each side by '-1'.
f = -6 + 2x + x2

Simplifying
f = -6 + 2x + x2

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