SubArea: Radical Equations and InequalitiesLevel: CProject ID: 1003187204Accepted: 1Clonable: 0Easy: 0The solution set of the equation \( \sqrt{x^2-2x+1}-2|x+3|+x+7=0 \) is:\( \{-7\}\cup[1,+\infty) \)\( \{-7\}\cup(1,+\infty) \)\( [1,+\infty) \)\( (1,+\infty) \)
