f(-4)f(x)=x^2-3x+9

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Solution for f(-4)f(x)=x^2-3x+9 equation:


Simplifying
f(-4) * f(x) = x2 + -3x + 9

Reorder the terms for easier multiplication:
-4f * f * x = x2 + -3x + 9

Multiply f * f
-4f2 * x = x2 + -3x + 9

Multiply f2 * x
-4f2x = x2 + -3x + 9

Reorder the terms:
-4f2x = 9 + -3x + x2

Solving
-4f2x = 9 + -3x + x2

Solving for variable 'f'.

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

Divide each side by '-4x'.
f2 = -2.25x-1 + 0.75 + -0.25x

Simplifying
f2 = -2.25x-1 + 0.75 + -0.25x

Reorder the terms:
f2 = 0.75 + -2.25x-1 + -0.25x

Reorder the terms:
-0.75 + f2 + 2.25x-1 + 0.25x = 0.75 + -2.25x-1 + -0.25x + -0.75 + 2.25x-1 + 0.25x

Reorder the terms:
-0.75 + f2 + 2.25x-1 + 0.25x = 0.75 + -0.75 + -2.25x-1 + 2.25x-1 + -0.25x + 0.25x

Combine like terms: 0.75 + -0.75 = 0.00
-0.75 + f2 + 2.25x-1 + 0.25x = 0.00 + -2.25x-1 + 2.25x-1 + -0.25x + 0.25x
-0.75 + f2 + 2.25x-1 + 0.25x = -2.25x-1 + 2.25x-1 + -0.25x + 0.25x

Combine like terms: -2.25x-1 + 2.25x-1 = 0.00
-0.75 + f2 + 2.25x-1 + 0.25x = 0.00 + -0.25x + 0.25x
-0.75 + f2 + 2.25x-1 + 0.25x = -0.25x + 0.25x

Combine like terms: -0.25x + 0.25x = 0.00
-0.75 + f2 + 2.25x-1 + 0.25x = 0.00

The solution to this equation could not be determined.

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