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Mathematics 15 Online
OpenStudy (anonymous):

Multiply (3z + 1)(z + 7)

OpenStudy (anonymous):

Hold on

OpenStudy (anonymous):

3 z^2+22 z+7

OpenStudy (anonymous):

@cesar2462

OpenStudy (anonymous):

This could help u http://www.wolframalpha.com/input/?i=Multiply+%283z+%2B+1%29%28z+%2B+7%29

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