f(x)=2x-x*2+3

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


Simplifying
f(x) = 2x + -1x * 2 + 3

Multiply f * x
fx = 2x + -1x * 2 + 3

Reorder the terms for easier multiplication:
fx = 2x + -1 * 2x + 3

Multiply -1 * 2
fx = 2x + -2x + 3

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

Combine like terms: 2x + -2x = 0
fx = 3 + 0
fx = 3

Solving
fx = 3

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 3x-1

Simplifying
f = 3x-1

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