If circle: x2 + y2-4x + 6y = 0 and circle: x2 + y2-6x = 0 intersect a and B, then the equation of the vertical bisector of AB is______ ．

If circle: x2 + y2-4x + 6y = 0 and circle: x2 + y2-6x = 0 intersect a and B, then the equation of the vertical bisector of AB is______ ．

The coordinates of the center of circle: x2 + y2-4x + 6y = 0 are (2, - 3), and the coordinates of the center of circle: x2 + y2-6x = 0 are (3,0). The equation of the vertical bisector of AB is the equation of the straight line where the centers of two circles are. The equation of the vertical bisector of AB is y + 30 + 3 & nbsp; = & nbsp; X − 23

If circle: x2 + y2-4x + 6y = 0 and circle: x2 + y2-6x = 0 intersect a and B, then the equation of the vertical bisector of AB is______ ．

The coordinates of the center of circle: x2 + y2-4x + 6y = 0 are (2, - 3), and the coordinates of the center of circle: x2 + y2-6x = 0 are (3,0). The equation of the vertical bisector of AB is the equation of the straight line where the centers of two circles are. The equation of the vertical bisector of AB is y + 30 + 3 & nbsp; = & nbsp; X − 23