x2+y2−5x+8y−43=0x^{2}+y^{2}-5 x+8 y-43=0x2+y2−5x+8y−43=0
x2+y2−5x+8+43=0x^{2}+y^{2}-5 x+8+43=0x2+y2−5x+8+43=0
x2+y2+5x+8y−43=0x^{2}+y^{2}+5 x+8 y-43=0x2+y2+5x+8y−43=0
x2+y2−5x−8y−43=0x^{2}+y^{2}-5 x-8 y-43=0x2+y2−5x−8y−43=0