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Mathematics 18 Online
OpenStudy (anonymous):

Factor completely: 5ab + 3ay + 5b + 3y

OpenStudy (anonymous):

Notice how two terms have both 5 and b in them. What can we do about that?

OpenStudy (mathmale):

Welcome to OpenStudy! This expression can be factored by grouping. To help you get started: Re-write the first two terms as a(5b+3y). Rewrite the last two terms as (?)(5b+3y), where (?) is a simple constant. What term seems to be common to both the first two terms and the last two terms of the original expression?

OpenStudy (mathmale):

|dw:1395369372617:dw|

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