Posted by **larry** on Sunday, February 24, 2013 at 9:58pm.

use distributive property to factore each expression 42q - 21

- Algebra -
**Summer**, Sunday, February 24, 2013 at 10:01pm
First, find the greatest common factor of the two terms- in this case, 21.

Then divide each term by the GCF.

42q/21=2q and -21/21=-1

So, 21(2q-1)

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