SOLUTION: Hello. I have been asked to Re-write each of the following as single powers with positive exponents. One of the questions is: (-3xy^2)^2 -2(xy^2)^2 and I need your help to

Question 1112933: Hello.
I have been asked to Re-write each of the following as single powers with positive exponents. One of the questions is:
(-3xy^2)^2 -2(xy^2)^2
and I need your help to understand what the teacher is asking.
Thank you for your help.
GS

Answer by josgarithmetic(39621) (Show Source): You can put this solution on YOUR website!
Let .

Back-substitute.

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