SOLUTION: (a+b)2 (a+b)3

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Question 74627: (a+b)2
(a+b)3
Answer by jim_thompson5910(21685) About Me  (Show Source):
You can put this solution on YOUR website!
We can use binomial expansion to quickly find these products where we use Pascal's triangle to find the coefficients:
%28a%2Bb%29%5E2=a%5E2%2B2ab%2Bb%5E2
%28a%2Bb%29%5E3=a%5E3%2B3a%5E2b%2B3ab%5E2%2Bb%5E3