SOLUTION: (8x)^-2 write with positive exponents and then simplify

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Question 387955: (8x)^-2 write with positive exponents and then simplify
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Use the idea that x%5E%28-k%29=1%2Fx%5Ek (where 'k' is some positive number) to get


%288x%29%5E%28-2%29=1%2F%288x%29%5E2=1%2F%2864x%5E2%29


So %288x%29%5E%28-2%29=1%2F%2864x%5E2%29 where x%3C%3E0


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Jim