Respuesta :

aalz

Answer:

11x + 12

Step-by-step explanation:

9x + 3x = 11x

8 + 4 = 12

Answer:

24x²

Step-by-step explanation:

first add 9 plus 8 plus 3 plus 4 to get 24 then since there are 2 x's that makes in 24x²