What is the center and radius of the circle x2+y2−6x+4y−3=0x^2 + y^2 - 6x + 4y - 3 = 0x2+y2−6x+4y−3=0?
Center (−3,2)(-3, 2)(−3,2), radius 444
Center (3,−2)(3, -2)(3,−2), radius 444
Center (6,−4)(6, -4)(6,−4), radius 888
Center (3,−2)(3, -2)(3,−2), radius 161616