Respuesta :

Answer:

30

Step-by-step explanation:

I don't know how to explain it sorry but can I still get brainliest please

Answer:

30

Step-by-step explanation:

1) Simplify 12 - 9 to 3.

12 + 2 × 3²

2) Simplify 3² to 9.

12 + 2 × 9

3) Simplify 2 × 9 to 18.

12 + 18

4) Simplify.

30