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Mathematics 15 Online
OpenStudy (anonymous):

factorise the expression 12ab-3b

OpenStudy (anonymous):

3b(4a-b)

OpenStudy (anonymous):

Can you explain step by step ? 12ab-3b =4a*3*b-3b Am I right? Why is it going to 3b(4a-b)?

OpenStudy (texaschic101):

12ab - 3b 3b(4a - 1)

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