SubArea: Quadratic equations and inequalitiesLevel: BProject ID: 9000022810Accepted: 1Clonable: 0Easy: 0Find the solution set of the following quadratic inequality. \[ -x^{2} + 2x + 3 > 0 \]\((-1;3)\)\((-\infty ;-1)\)\((-\infty ;-1)\cup (3;\infty )\)\((3;\infty )\)
