f(2)=4x-x^2

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


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

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

Solving
2f = 4x + -1x2

Solving for variable 'f'.

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

Divide each side by '2'.
f = 2x + -0.5x2

Simplifying
f = 2x + -0.5x2

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