How do I simplify this?

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- September 13th 2010, 04:51 AMklik11A quick algebra exercise

How do I simplify this? - September 13th 2010, 04:57 AMyeKciM
- September 13th 2010, 05:00 AMklik11
I'm Sorry, I forgot to say that the book says that the answer is

Could you show me the way to get to that answer?

Edit: I also think you are wrong because it would have been your answer if it there was * and not +. - September 13th 2010, 05:06 AMyeKciM
- September 13th 2010, 05:09 AMklik11
Could you explain me how come

- September 13th 2010, 05:15 AMyeKciM
- September 13th 2010, 06:51 AMWilmer
Remember that a^x * a^y = a^(x+y) and (a^x)^y = a^(xy)