SOLUTION: How to simplify: {3^{n+2} - 3^n + 15{3^{n-1}} }/39

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Question 974620: How to simplify:
{3^{n+2} - 3^n + 15{3^{n-1}} }/39

Found 2 solutions by Fombitz, MathTherapy:
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!

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Answer by MathTherapy(10556)   (Show Source): You can put this solution on YOUR website!

How to simplify:
{3^{n+2} - 3^n + 15{3^{n-1}} }/39

------- Factoring out GCF, in numerator


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