SOLUTION: Explain how (p+q)^2 differs from p^2+q^2 by expanding (p+q)^2

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Question 315993: Explain how (p+q)^2 differs from p^2+q^2 by expanding (p+q)^2
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
FOIL out %28p%2Bq%29%5E2 to get %28p%2Bq%29%5E2=%28p%2Bq%29%28p%2Bq%29=p%2Ap%2Bp%2Aq%2Bq%2Ap%2Bq%2Aq=p%5E2%2B2pq%2Bq%5E2