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Mathematics 9 Online
OpenStudy (anonymous):

Factor this expression. 3x2 - 15x A. 3x(x2 - 5) B. 3(x2 - 5) C. 3(x - 5) D. 3x(x - 5)

Parth (parthkohli):

Okay, first tell me,what are the common factors?

OpenStudy (anonymous):

3 and 15

Parth (parthkohli):

No..

Parth (parthkohli):

Common factor means a number that can be divided to get a whole number.

OpenStudy (anonymous):

5

Parth (parthkohli):

Nope again..

OpenStudy (anonymous):

idkk

Parth (parthkohli):

3 and x. Try to solve now.

OpenStudy (anonymous):

D. 3x(x - 5)

Parth (parthkohli):

Yep.

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