Respuesta :

Answer:

(7x−2y)(a−b)

Step-by-step explanation:

Ver imagen Joshua326
  • subtract 7ax from 7bx maybe the add the 2ay and 2by then subtract thoses anwsers.

To tell the truth I am just guessing from what I know I AM ONLY 13 DON"T EXPAECT TOO MUCH FROM ME!