How would I factor 2(x^2 + y^2) to this x^2 + 2xy + y^2 + x^2 - 2xy + y^2. I know they are equal but I don't see a path to get there. Thanks for any suggestions.
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Originally Posted by nicnicman How would I factor 2(x^2 + y^2) to this x^2 + 2xy + y^2 + x^2 - 2xy + y^2. I know they are equal but I don't see a path to get there. Thanks for any suggestions. Hello nicnicman. , which is the same as because 2xy and -2xy cancel each other. I hope you understand.
Last edited by PaulAdrienMauriceDirac; Oct 31st 2012 at 03:12 AM.
Yes, I do. Thank you.
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