SOLUTION: If {{{a^m*a^n}}}={{{a^mn}}},then m(n-2)+n(m-2)is?

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Question 458024: If a%5Em%2Aa%5En=a%5Emn,then m(n-2)+n(m-2)is?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
If a%5Em%2Aa%5En=a%5Emn,then m(n-2)+n(m-2)is?
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The example you show is multiplied, then you ask about addition.
m(n-2)+n(m-2)
= mn - 2m + mn -2n
= 2mn -2m - 2n