Answer:
(p - 3)(q + 1)
Step-by-step explanation:
Rearrange the terms in the expression as
pq - 3q + p - 3 ( factor the first/second and third/fourth terms )
= q(p - 3) + 1(p - 3) ← factor out (p - 3) from each term
= (p - 3)(q + 1) ← in factored form
