x3+x2−3x+2=0x^{3}+x^{2}-3 x+2=0x3+x2−3x+2=0
x3+x2−3x−2=0x^{3}+x^{2}-3 x-2=0x3+x2−3x−2=0
x3−x2−3x+2=0x^{3}-x^{2}-3 x+2=0x3−x2−3x+2=0
x3−x˙2+3x−2=0x^{3}-\dot{x}^{2}+3 x-2=0x3−x˙2+3x−2=0