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

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


Simplifying
f(x) = -2x2 + -3x + 9

Multiply f * x
fx = -2x2 + -3x + 9

Reorder the terms:
fx = 9 + -3x + -2x2

Solving
fx = 9 + -3x + -2x2

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 + -3 + -2x

Simplifying
f = 9x-1 + -3 + -2x

Reorder the terms:
f = -3 + 9x-1 + -2x

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