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Mathematics 9 Online
OpenStudy (anonymous):

Please find the product. (-4x +7)(-7x-3)

OpenStudy (anonymous):

28x^2-37x-21

jhonyy9 (jhonyy9):

28^2 +12x -49x -21

OpenStudy (anonymous):

why are there 2 dif. answers

jhonyy9 (jhonyy9):

because 12x-49x=-37x

OpenStudy (anonymous):

so, i should put down your answer or both

OpenStudy (anonymous):

-28x^2-37x-21

OpenStudy (anonymous):

Thanks

jhonyy9 (jhonyy9):

cornitodisc -- why is -28x^2 ?

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