an=-n^2-4n+4

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Solution for an=-n^2-4n+4 equation: 


Simplifying
an = -1n2 + -4n + 4

Reorder the terms:
an = 4 + -4n + -1n2

Solving
an = 4 + -4n + -1n2

Solving for variable 'a'.

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

Divide each side by 'n'.
a = 4n-1 + -4 + -1n

Simplifying
a = 4n-1 + -4 + -1n

Reorder the terms:
a = -4 + 4n-1 + -1n

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