Solve for the set of all real numbers nnn that satisfy the inequality n2−8n+15n2−n−2≤0\frac{n^2 - 8n + 15}{n^2 - n - 2} \leq 0n2−n−2n2−8n+15≤0.
(−1,2)∪[3,5](-1, 2) \cup [3, 5](−1,2)∪[3,5]
(−1,2]∪[3,5)(-1, 2] \cup [3, 5)(−1,2]∪[3,5)
(−1,2)∪(3,5)(-1, 2) \cup (3, 5)(−1,2)∪(3,5)
(−∞,−1)∪(2,3]∪[5,∞)(-\infty, -1) \cup (2, 3] \cup [5, \infty)(−∞,−1)∪(2,3]∪[5,∞)