2)Originally Posted by autopimp
Note the change in the > here!
What do the decimal points in the first problem mean?
7) First combine the like terms:Originally Posted by autopimp
Each term has a common a, so factor the a:
I don't know what you mean by "greatest common factor," I suspect you simply mean to factor the expression.
So, there is a common 2, one c, one d, and five w in each term: