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Mathematics 22 Online
OpenStudy (anonymous):

Multiply. Simplify, (3√(5)-6√(3))(5√(5)+10√(13)).

OpenStudy (anonymous):

I got two different answers for this question. 75-30 sqrt(15)-60 sqrt(39)+30 sqrt(65) and 75+30 sqrt(15)-60 sqrt(39)- 30 sqrt(65)

OpenStudy (anonymous):

I can't figure out which is right. -_-

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