Determine the set of all real numbers xxx that satisfy the inequality x3−4xx2+2x−3≤0\frac{x^3 - 4x}{x^2 + 2x - 3} \leq 0x2+2x−3x3−4x≤0.
(−∞,−3)∪[−2,0]∪(1,2](-\infty, -3) \cup [-2, 0] \cup (1, 2](−∞,−3)∪[−2,0]∪(1,2]
(−∞,−3]∪[−2,0]∪[1,2](-\infty, -3] \cup [-2, 0] \cup [1, 2](−∞,−3]∪[−2,0]∪[1,2]
(−3,−2]∪[0,1)∪[2,∞)(-3, -2] \cup [0, 1) \cup [2, \infty)(−3,−2]∪[0,1)∪[2,∞)
(−∞,−3)∪[−2,1)∪[2,∞)(-\infty, -3) \cup [-2, 1) \cup [2, \infty)(−∞,−3)∪[−2,1)∪[2,∞)