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Mathematics 17 Online
OpenStudy (anonymous):

Simplify. A. –28xy B. –28 C. 28xy D. 27

OpenStudy (dayakar):

multiply all signs first

OpenStudy (anonymous):

ok

OpenStudy (dayakar):

cancel 2

OpenStudy (anonymous):

is it a

OpenStudy (dayakar):

exactly

OpenStudy (dayakar):

ok

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