Respuesta :

Answer:

a) 12xy

b) 30pqr

Step-by-step explanation:

multiply the numbers and since x and y are not common terms then keep them as xy multiplied with 12

same goes with b)

Answer:

a would be 12xy

b would be 30pqr

Step-by-step explanation:

Again, don't really know how to explain, just multiply the numbers and add on the letters