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OpenStudy (haaileyyy):
Please Help Find The Product: (x+y)(x-7y)
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OpenStudy (haaileyyy):
Would the answer be \[x ^{2}-7y ^{2}-7xy ^{2}\] ?
OpenStudy (mariamikayla):
(x+y)(x-7y)= x*x -x*7y+x*y-7y*y= =x^2 -7xy+xy-7y^2= =x^2-6xy-7y^2
OpenStudy (haaileyyy):
Thank You!
OpenStudy (mariamikayla):
You're welcome! :D
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