f(2n)=2x^2-3x

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


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

Remove parenthesis around (2n)
f * 2n = 2x2 + -3x

Reorder the terms for easier multiplication:
2f * n = 2x2 + -3x

Multiply f * n
2fn = 2x2 + -3x

Reorder the terms:
2fn = -3x + 2x2

Solving
2fn = -3x + 2x2

Solving for variable 'f'.

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

Divide each side by '2n'.
f = -1.5n-1x + n-1x2

Simplifying
f = -1.5n-1x + n-1x2

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