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Mathematics 8 Online
OpenStudy (anonymous):

HELP PLEASE!!! Factor. 9x2 + 15x A. x(3x + 5) B. 3x(3x + 5) C. 9x(x + 5) D. 3x2(3x + 5)

OpenStudy (anonymous):

i forgot how to factor can you refresh my memory

OpenStudy (zale101):

factor out 3, since 3 can be multiplied by both 9 and 15

OpenStudy (zale101):

what's the common factor of 9 and 15?

OpenStudy (anonymous):

3

OpenStudy (zale101):

yep, so factor that out :-)

OpenStudy (zale101):

what will u get?

OpenStudy (anonymous):

is it b?

OpenStudy (zale101):

yes, because|dw:1397789163015:dw|

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