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Mathematics 9 Online
OpenStudy (anonymous):

a+b-7a-7b

OpenStudy (leader):

Like terms...

OpenStudy (leader):

Regroup them a-7a+b-7b

OpenStudy (leader):

1-7=-6 So -6a-6b

OpenStudy (leader):

Do you have to factor it?

OpenStudy (leader):

Becasue then it will become -6(a+b)

OpenStudy (midhun.madhu1987):

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