x2+y2−6x−8y+16=0x^{2}+y^{2}-6 x-8 y+16=0x2+y2−6x−8y+16=0
x2+y2−8x−6y+16=0x^{2}+y^{2}-8 x-6 y+16=0x2+y2−8x−6y+16=0
x2+y2−6x−8y+25=0x^{2}+y^{2}-6 x-8 y+25=0x2+y2−6x−8y+25=0
x2+y2−8x−6y+25=0x^{2}+y^{2}-8 x-6 y+25=0x2+y2−8x−6y+25=0