Respuesta :

Answer:

42

Step-by-step explanation:

3 x {[(12-8) x 2] + [(11 - 9) x 3]}

12-8=4 and 11-9=2.

3 x ((4 x 2) + (2 x 3))

4 x 2= 8 and 2 x 3=6.

3 x (8 + 6)

8 + 6 is 14.

3 x 14 is 42.