yes
(a + 2 - b) (a + 2 + b)
The GCF is a2b
(b + 4)(b + 4)
(b + 8)(b - 1)
19 x a x a x b = 19a2b
yes
(a + 2 - b) (a + 2 + b)
(b + 2c)(b - c)
27a3b2
The GCF is a2b
3 x 3 x 3 x 3 x b = 81b
(b + 4)(b + 4)
4
(b + 8)(b - 1)
(b + 8)(b + 4)
The GCF of 5ab and 56b squared is b.