SubArea: Higher degree equations and inequalitiesLevel: BProject ID: 9000028302Accepted: 1Clonable: 0Easy: 0The following equation has a solution \(x = 1\). Find the sum of the remaining real solutions. \[ x^{3} + 2x^{2} - x - 2 = 0 \]\(- 3\)\(- 1\)\(0\)\(2\)