Posted by **jas20** on Saturday, February 24, 2007 at 3:11am.

can someone check these for me please....

problem#4

Directions: Factor each polynomial completely by factoring out any common factors and then factor by grouping. Do not combine like terms.

3a^3+3ab^2+2a^2b+2b^3

My answer:

(a^2+b^2)(3a+2b)

you are correct