Respuesta :

s1m1
12+80=
4·3+4·20=
4(3+20)

mathisfun14
12+80 
-Both are multiples of 2 and 4, but since 4 is larger we will use that

12=4*3
80=4*20

4(3+20) 
^This is your answer^ 

Hope this helps! Let me know if you have any more questions:)