Respuesta :

Answer:

-10a - 7b

Step-by-step explanation:

Solving

  • [tex](-3)(2a)+(-3)(b)+(-4)(b)+(-4)(a)[/tex]
  • [tex]-6a-3b-4b-4a[/tex]
  • [tex](-6a-4a)+(-3b-4b)[/tex]
  • [tex]-10a-7b[/tex]

Have a lovely rest of your day/night, and good luck with your assignments! ♡