fx=2x^2-4x

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Solution for fx=2x^2-4x equation: 


Simplifying
fx = 2x2 + -4x

Reorder the terms:
fx = -4x + 2x2

Solving
fx = -4x + 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 = -4 + 2x

Simplifying
f = -4 + 2x

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