\[\boxed{\mathbf{1110\ (1101)}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[1)\ 6ax - 12a + 9ay =\]
\[= 3a(2x - 4 + 3y)\]
\[2)\ 7ab + 14ac - 28a =\]
\[= 7a(b + 2c - 4)\]
\[3) - 8mn - 6mk - 10m =\]
\[= - 2m(4n + 3k + 5)\]
\[4)\ 8abc - 24abd - 6ab =\]
\[= 2ab(4c - 12d - 3)\]