f(-1)=x^3+3x^2+7x

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Solution for f(-1)=x^3+3x^2+7x equation: 


Simplifying
f(-1) = x3 + 3x2 + 7x

Reorder the terms for easier multiplication:
-1f = x3 + 3x2 + 7x

Reorder the terms:
-1f = 7x + 3x2 + x3

Solving
-1f = 7x + 3x2 + x3

Solving for variable 'f'.

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

Divide each side by '-1'.
f = -7x + -3x2 + -1x3

Simplifying
f = -7x + -3x2 + -1x3

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