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