Posted by **nikki** on Tuesday, April 5, 2011 at 11:10pm.

-8a^2+5ab-12a^2-6(2a^2-4ab-10n^2)

- math -
**drwls**, Wednesday, April 6, 2011 at 7:27am
Is the n^2 supposed to be an a^2 ?

If so, you can combine three pairs of terms. Otherwise, two pairs.

Just multiply each term in parentheses by 6 and combine "like" terms.

You may also able to factor, after that.

You should try this yourself instead of looking for a web site (including jiskha) to do it for you.

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