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posted by Ariel Wednesday, March 27, 2013 at 5:07am.

6a(3a-2) + 12b(3a-2) Is it correct if i multiplied 6a by 3a then 6a by -2 and so on?

yes, 2nd line: 18a^2 - 12a + 36ab - 2b all the terms are different, so you are done

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