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Mathematics 21 Online
OpenStudy (anonymous):

(3xy - 1) (4xy + 2) as an answer i got 12xy^2+2xy-2 ??

OpenStudy (anonymous):

multiply x's with x's, y's with y's and numbers with numbers

OpenStudy (anonymous):

12x^2y^2-4xy+2xy-2

jimthompson5910 (jim_thompson5910):

You should have gotten 12x^2y^2+2xy-2, notice that the first term is 12x^2y^2 (ie the x term is squared)

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