Show that the equation x2+y2-6x+4y-36=0 represents a circle.Also find its centre and radius. Share with your friends Share 1 Neha Sethi answered this Dear student Given , x2+y2-6x+4y-36=0x2-6x+y2+4y=36x2-6x+9+y2+4y+4=36+9+4x-32+y+22=49 which respresents the equation of the circle with radius=7 and centre 3,-2 Regards 3 View Full Answer