Respuesta :

Answer:

-40

Step-by-step explanation:

  1. 3 + 4 = 7
  2. Plug 7 in: (9 - 7(7))
  3. 7(7) = 7 × 7 = 49
  4. Plug 49 in: 9 - 49
  5. 9 - 49 = -40

I hope this helps!