SOLUTION: Hello! I need help understanding why (x+y)2 is not equal to x2+y2? I am taking an online course and I have viewed my text book but have not seen any problems like this one on how t
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Question 944868: Hello! I need help understanding why (x+y)2 is not equal to x2+y2? I am taking an online course and I have viewed my text book but have not seen any problems like this one on how to solve it. Can you please help me?
Found 2 solutions by richard1234, MathLover1:
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
If you use FOIL or binomial thm, (x+y)^2 is equal to x^2 + 2xy + y^2.
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
is square of the sum and it is equal to and it is a perfect square trinomial
and is the sum of the squares
why is not equal to , : because it is a binomial and is greater then
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