What do these factor out too??

(3w^2+w)(-6w-2)

(3y^2+y)(6y+2)

(6y^2+2y)(-3y-1)

I will do the third one for you and let you apply the principles to the other two problems.

-2y(3y + 1)(3y + 1) = -2y(3y + 1)^2

I hope this helps.