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

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


Simplifying
f(-1x) = -1x2 + -2(-1x) + 5

Remove parenthesis around (-1x)
f * -1x = -1x2 + -2(-1x) + 5

Reorder the terms for easier multiplication:
-1f * x = -1x2 + -2(-1x) + 5

Multiply f * x
-1fx = -1x2 + -2(-1x) + 5

Remove parenthesis around (-1x)
-1fx = -1x2 + -2 * -1x + 5

Multiply -2 * -1
-1fx = -1x2 + 2x + 5

Reorder the terms:
-1fx = 5 + 2x + -1x2

Solving
-1fx = 5 + 2x + -1x2

Solving for variable 'f'.

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

Divide each side by '-1x'.
f = -5x-1 + -2 + x

Simplifying
f = -5x-1 + -2 + x

Reorder the terms:
f = -2 + -5x-1 + x

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