Answer:
the factors of 72 are 1,2,3,4,6,8,9,12,18,24,36,72
Step-by-step explanation:
9 is a factor of 72 because 9x8 equals 72 therefore it is a factor of 72
-5+1+-2+9v+-5v
-3+1+4v
-2+4v
-3x
this is the answer I think