f(n)=-n^2+2n+8

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Solution for f(n)=-n^2+2n+8 equation: 


Simplifying
f(n) = -1n2 + 2n + 8

Multiply f * n
fn = -1n2 + 2n + 8

Reorder the terms:
fn = 8 + 2n + -1n2

Solving
fn = 8 + 2n + -1n2

Solving for variable 'f'.

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

Divide each side by 'n'.
f = 8n-1 + 2 + -1n

Simplifying
f = 8n-1 + 2 + -1n

Reorder the terms:
f = 2 + 8n-1 + -1n

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