f(-4)f(x)=-x^2-2x

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


Simplifying
f(-4) * f(x) = -1x2 + -2x

Reorder the terms for easier multiplication:
-4f * f * x = -1x2 + -2x

Multiply f * f
-4f2 * x = -1x2 + -2x

Multiply f2 * x
-4f2x = -1x2 + -2x

Reorder the terms:
-4f2x = -2x + -1x2

Solving
-4f2x = -2x + -1x2

Solving for variable 'f'.

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

Divide each side by '-4x'.
f2 = 0.5 + 0.25x

Simplifying
f2 = 0.5 + 0.25x

Reorder the terms:
-0.5 + f2 + -0.25x = 0.5 + 0.25x + -0.5 + -0.25x

Reorder the terms:
-0.5 + f2 + -0.25x = 0.5 + -0.5 + 0.25x + -0.25x

Combine like terms: 0.5 + -0.5 = 0.0
-0.5 + f2 + -0.25x = 0.0 + 0.25x + -0.25x
-0.5 + f2 + -0.25x = 0.25x + -0.25x

Combine like terms: 0.25x + -0.25x = 0.00
-0.5 + f2 + -0.25x = 0.00

The solution to this equation could not be determined.

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