а) abc - abd = ab(c - d)
б) 4cx - acx = x(4c - ac)
в) xyz + yzd = yz(x + d)
г) ad + bd + cd = d(a + b + c)
д) 4ab - 2ac - 6ad = 2ab(2 - c - 3d)
е) abx - acx - adx = ax(b - c - d)
а) abc - abd = ab(c - d)
б) 4cx - acx = x(4c - ac)
в) xyz + yzd = yz(x + d)
г) ad + bd + cd = d(a + b + c)
д) 4ab - 2ac - 6ad = 2ab(2 - c - 3d)
е) abx - acx - adx = ax(b - c - d)