SubArea: Higher degree equations and inequalitiesLevel: AProject ID: 9000028306Source Problem: 2010009704Accepted: 1Clonable: 1Easy: 1Find the sum of all real solutions of the following equation. \[ \left (3 - x\right )\left (x^{2} - 4\right ) = 0 \]\(3\)\(0\)\(2\)\(5\)
