If p and q are positive integers and q ≠ 1, then pq(q −5) is	Select the correct option:
A) pq^2+5pq	B) pq^2+pq	C) pq^2-pq	D) pq^2-5pq	E) pq^2
pq(q-5) = pq^2-5pq   Answer : pq^2-5pq
<result>D</result>
If p and q are positive integers and q ≠ 1, then pq(q −5) is