Respuesta :

Answer:

9P^2 6Q^2 10R^2

Step-by-step explanation:

Good evening ,

Answer:

3pq = 3×p×q

The same apply on 4rq and 6pr.

Step-by-step explanation:

3pq = 3×p×q

example:

if p=1 and q=2 then

3pq = 3×1×2 = 6.

:)