Solve the inequality: x2−5x+6x2+x−2≥0\frac{x^2 - 5x + 6}{x^2 + x - 2} \geq 0x2+x−2x2−5x+6≥0.
(−∞,−2)∪(1,2]∪(3,∞)(-\infty, -2) \cup (1, 2] \cup (3, \infty)(−∞,−2)∪(1,2]∪(3,∞)
(−∞,−2)∪[2,3](-\infty, -2) \cup [2, 3](−∞,−2)∪[2,3]
(−2,1)∪[3,∞)(-2, 1) \cup [3, \infty)(−2,1)∪[3,∞)
(−∞,−2)∪(1,∞)(-\infty, -2) \cup (1, \infty)(−∞,−2)∪(1,∞)