A sign chart for ((x + 9)(x + 1)(x - 3))/(x - 6) has critical points -9, -1, 3, and 6 and signs (-infinity, -9): positive; (-9, -1): negative; (-1, 3): positive; (3, 6): negative; (6, infinity): positive. For the inequality ((x + 9)(x + 1)(x - 3))/(x - 6) < 0, which solution set is correct?