SOLUTION: Simplify: x^2 + 2xy + y^2 - 1

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Question 182566This question is from textbook
: Simplify: x^2 + 2xy + y^2 - 1 This question is from textbook

Answer by solver91311(24713) About Me  (Show Source):
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Simplify:



Note that so



Which is the difference of two squares so:




John