If pq = 3, then p^3q^4 + p^4q^5 =

A. 12q
B. 7p + 9q
C. 12p + 20q
D. 96p
E. 108q

2 answers

(p q)^3 ( q + p q^2)

3^3 ( q + 3 q)

3^3 (4q)

27 (4 q)

108 q
Thank you so much, Damon.