x2+y2+3x+5y+2=0x^{2}+y^{2}+3 x+5 y+2=0x2+y2+3x+5y+2=0
x2+y2+3x+5y−2=0x^{2}+y^{2}+3 x+5 y-2=0x2+y2+3x+5y−2=0
x2+y2−3x+5y=0x^{2}+y^{2}-3 x+5 y=0x2+y2−3x+5y=0
x2+y2−3x−5y=0x^{2}+y^{2}-3 x-5 y=0x2+y2−3x−5y=0