Question

how do i factor (pa+pb)-(qa-qb)

Answer 1

pull out a p and a q:
p(a+b)-q(a-b)

Answer 2

p(a+b)-q(a-b)

Answer 3

that's pretty much all u can do..

Answer 4

Won't be factors after that

Answer 5

You can try another way as well like
pa-qa+pb+qb
a(p-q)+b(p+q)