Respuesta :
Answer:
It is 4x + 4y.
Step-by-step explanation:
All you have to do is add all of the y's toghther and then add all of the x's toghther.
Answer:
4x+4y
Step-by-step explanation:
Combine the four "x" so x+x+x+x likewise the four "y" y+y+y+y.