SubArea: Linear equations and inequalitiesLevel: AProject ID: 2010009005Source Problem: 2010009006Accepted: 0Clonable: 1Easy: 0Find the solution set of the following equation. \[(x+3)^2-(2-2x)^2=1-3x^2 \]\( \left\{-\frac27\right\} \)\( \{2\} \)\( \left\{\frac72\right\} \)\( \emptyset \)
