Respuesta :

Answer:

-5ab + 5a - 3

Step-by-step explanation:

  • (-ab + 5a - 8) - (4ab - 5) =
  • - ab + 5a - 8 - 4ab + 5 =
  • (-1 - 4)ab + 5a - 3 =
  • -5ab + 5a - 3