2x^3-2x^+x-1\x3-x2+3x-3
(2x^3-2x^2+x-1)/(x^3-x^2+3x-3)=0 2x^3-2x^2+x-1=0 x(2x^2-2x+1)-1=0 x1=1 || 2x^2-2x+1=0 || 2x-2=0 x(2x-2)+1=0 2x=2 x2=-1 x3=1