First, take the GCF (greatest common factor) of the expression. This means, if the two values can be divided by the same thing, then divide. The problem is now in its simplest form because there are no more GCFs and it is factored completely.
8p - 12pq
(8p / 4p) - (12pq / 4p)
4p (2 - 3q)
Hope this helps!