SubArea: Quadratic equations and inequalitiesLevel: BProject ID: 9000034907Accepted: 1Clonable: 0Easy: 0Find all x∈R for which the following expression takes nonnegative values. −2(x−3)(2−x)(−∞;2]∪[3;∞)[2;3](2;3)(−∞;2)∪(3;∞)
