Answer:
0
Step-by-step explanation:
look at the first numbers
1,0,1,1,0,1,1,1,0,1,1,1,1,0
hope it helped :)
36xy = (12xy)(3)
12xy = (12xy)(1)
GCF(36xy, 12xy) = 12xy
840
A
Dont get it either im stuck on it