SOLUTION: How can b2 , a2 , ab, ab if taken together is (a+b)2

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Question 22498: How can b2 , a2 , ab, ab if taken together is (a+b)2
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
(a+b)^2 = (a+b)(a+b)= a(a+b)+b(a+b)
=aa+ab+ba+bb
=a^2 +ab+ab+b^2
This is usually written as a^2 + 2ab + b^2
Cheers,
Stan H.