SOLUTION: How do you solve 2^(5/2) - 2^(3/2)? The fractions are fractional exponents (not mixed numbers). I submitted this question yesterday but I apologize it was in the wrong form (I did

Question 637367: How do you solve 2^(5/2) - 2^(3/2)? The fractions are fractional exponents (not mixed numbers). I submitted this question yesterday but I apologize it was in the wrong form (I did not include parentheses.)The answer is supposed to be 2^3/2 according to the answer key. I need to see it worked out line by line. Thanks so much!
Found 2 solutions by ewatrrr, josmiceli:
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

Hi,
Yes, parenthesis so important
2^(5/2) - 2^(3/2)
2^(3/2)[2^(2/2) - 1]
2^(3/2)[2 - 1]
2^(3/2)
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!

This is the same as

Factor out

-------------
check:

OK
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