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

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


Simplifying
f(x) = -1x2 + 2x + -9

Multiply f * x
fx = -1x2 + 2x + -9

Reorder the terms:
fx = -9 + 2x + -1x2

Solving
fx = -9 + 2x + -1x2

Solving for variable 'f'.

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

Divide each side by 'x'.
f = -9x-1 + 2 + -1x

Simplifying
f = -9x-1 + 2 + -1x

Reorder the terms:
f = 2 + -9x-1 + -1x

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