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Mathematics 11 Online
OpenStudy (anonymous):

4. Factor 18s – 63

OpenStudy (callisto):

Take out 9 as the common factor 9(2s-7)

OpenStudy (lgbasallote):

factor out 3 first... 3(6s -21) 3(3(2s-7)) so... 9(2s-7)

OpenStudy (anonymous):

thanks

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