SubArea: Quadratic equations and inequalitiesLevel: BProject ID: 9000022304Source Problem: 2010004505Accepted: 1Clonable: 1Easy: 0Find all the values of x at which the following expression attains nonnegative value. x2+x−12x∈(−∞;−4]∪[3;∞)x∈[−3;4]x∈[−4;3]x∈(−∞;−4)∪(3;∞)x∈(−∞;−3]∪[4;∞)
