Respuesta :

vubhi24

Answer:

Step-by-step explanation:

bottom left is 13a + 2b

bottom right is 15y - 6

fnej

Answer:

1) 13a + 2b

2) 15y² - 6

Step-by-step explanation:

3a + 2(b + 5a)

3a + 2b + 10a

13a + 2b

3y² + 3(4y² - 2)

3y² + 12y² - 6

15y² - 6