Posted by **Chopsticks** on Wednesday, January 7, 2009 at 10:35pm.

Can someone tell me how to factor

2a^2b - 16ab + 32b

Should I factor 2b out of it?

- alg 2 -
**Ned**, Wednesday, January 7, 2009 at 10:42pm
I answered this question in your last post.

- alg 2 -
**Reiny**, Wednesday, January 7, 2009 at 10:42pm
yes, which give you

2b(a^2 - 8a + 16)

= 2b(a-4)^2

- alg 2 -
**Chopsticks**, Wednesday, January 7, 2009 at 10:44pm
Who wait, but i thought you cant factor using b because ab is a term by itself

- alg 2 -
**Ned**, Wednesday, January 7, 2009 at 10:45pm
If the b is not part of the exponent, my last response was incorrect.

- alg 2 -
**Chopsticks**, Wednesday, January 7, 2009 at 10:47pm
Well if your talking about the 2a^2b its 2a^2 * b the exponent is only with the a. So does that mean 2b can factor?

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