SubArea: ConicsLevel: AProject ID: 9000091207Accepted: 1Clonable: 0Easy: 1Consider the circle \(k\colon x^{2} - 6x + y^{2} + 2y + 6 = 0\). Find the center of the circle.\(S = [3;-1]\)\(S = [-3;-1]\)\(S = [3;1]\)\(S = [-3;1]\)