Respuesta :
Answer:
15xy+3y
Step-by-step explanation:
first 3(5y+1)y the answer is 15xy+3y
I’m pretty sure the way you would write it would be 15xy+3y (I’m sorry if this is incorrect)

Answer:
15xy+3y
Step-by-step explanation:
first 3(5y+1)y the answer is 15xy+3y