Объяснение:
3(b-2)(b^2+2b+4)
(a-4y)^2+3(a-4y)
3b³- 24=3(b³- 8)=3(b-2)(b²+2b+4)
a²-8ay+16y²+3a-12y=(a-4y)(a-4y)+3(a-4y)=(a-4y)(a-4y+3)
