SubArea: Higher degree equations and inequalitiesLevel: BProject ID: 9000029301Source Problem: 2010009504Accepted: 1Clonable: 1Find the solution set of the following inequality. (x−1)(x−2)(x−3)≥0[1;2]∪[3;∞)(−∞;∞)(−∞;1)∪(2;3)∅{0}