an=3n^2-n

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Solution for an=3n^2-n equation: 


Simplifying
an = 3n2 + -1n

Reorder the terms:
an = -1n + 3n2

Solving
an = -1n + 3n2

Solving for variable 'a'.

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

Divide each side by 'n'.
a = -1 + 3n

Simplifying
a = -1 + 3n

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