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OpenStudy (anonymous):
(x-5y)^2+5(x+y)(x-3y)+x(3x+3y+3)
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OpenStudy (anonymous):
donkey work here http://www.wolframalpha.com/input/?i=%28x-5y%29^2%2B5%28x%2By%29%28x-3y%29%2Bx%283x%2B3y%2B3%29
OpenStudy (anonymous):
apparently the answer is \[9 x^2-17 x y+3 x+10 y^2\]
OpenStudy (anonymous):
Thank you!
OpenStudy (anonymous):
yw
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