Respuesta :
Answer:
C
Step-by-step explanation:
because 15*2x=30x and 15*y= 15y and since they are adding in the parentises you add again 30x*15y

Answer:
C
Step-by-step explanation:
because 15*2x=30x and 15*y= 15y and since they are adding in the parentises you add again 30x*15y