posted by Kyle .
I would like to know how to do this. Thanks.
(c-d) is a common factor, so you pull it out:
(c-d)(2ab + 10d)
Oh, then you can pull a 2 out:
(c-d)(2)(ab + 5d)
What do the letters stand for tell me @ I will tell you the answer
3 to 34th pwer then divide by6