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Mathematics 18 Online
OpenStudy (anonymous):

(3xy - 1) (4xy + 2)

jhonyy9 (jhonyy9):

just you need multiplie term by term

OpenStudy (anonymous):

3xy(4xy) + 3xy(2) - 1(4xy) - 1(2) = 12x²y² + 6xy - 4xy - 2 = 12x²y² + 2xy - 2

OpenStudy (anonymous):

(3xy - 1) (4xy + 2) = 3xy X 4xy + 3xy X 2 - 4xy - 2 = 12x^2 y^2 + 6xy - 4xy -2 = 12x^2 y^2 + 2xy -2

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