Factor using a GCF:

16xy2+28xy+8y

4y (4xy + 7x + 2)

Step-by-step explanation:

16xy^2+28xy+8y

16xy^2 = 2*2*2*2*x*y*y

28xy = 2*2*7 * x*y

8y = 2*2*2*y

The common factors are 2*2*y = 4y

2*2*2*2*x*y*y + 2*2*7 * x*y+2*2*2*y

2*2*y (2*2*x*y + 7 * x+2)

4y (4xy + 7x + 2)