GCF
-6 -18
what is 6
-24x -16x
what is 4x
4b 16bc
what is 6a
-4xy -18x
what is 2x
-8cd 24c2
what is 4c
-4x 12xy
what is 4x
-6a -12ab
what is 6a
66x2y 11xy
what is 11xy
16v2 -4v -8v
what is 2v
-18x -45x -9x2
what is 9x
10x3 30x2y
what is 5x
5tu3 10tu 50u
what is 5u