SOLUTION: please help me this expression by simplifying: 15-(-15)^-1/(-15)^-4

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Question 1032052: please help me this expression by simplifying: 15-(-15)^-1/(-15)^-4
Answer by LinnW(1048) About Me  (Show Source):
You can put this solution on YOUR website!
15-%28-15%29%5E-1%2F%28-15%29%5E-4
Since x%5Em%2Fx%5En+=+x%5E%28m-n%29
15-%28-15%29%5E%28-1-%28-4%29%29
15-%28-15%29%5E3
since %28-15%29%5E3=-%2815%29%5E3 and -%2815%29%5E3 = -3375
15-%28-3375%29
15%2B3375
3390