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OpenStudy (anonymous):
Simplify: (2x + 3y)(5x - 3y)
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OpenStudy (angela210793):
10x^2-6xy+15xy-9y^2=10x^2+9xy-9y^2
OpenStudy (anonymous):
10x^2-9y^2+9xy
OpenStudy (anonymous):
10x^2-6xy+15xy-9y^2 =>10x^2+9xy+9y^2
OpenStudy (anonymous):
ask you teacher why he or she thinks \[10x^2+9xy-9y^2\] is any simpler than \[(2x+3y)(5x-3y)\]
OpenStudy (anonymous):
:D nice one :D
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OpenStudy (angela210793):
Lol :D:D
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