(x^2+X+1)/(x^2+1)+(2x^2+x+2)/(x^2+x+1)=19/6
(2x^2+x+2)/(x^2+x+1)=x^2+X+1+x^2+1/(x^2+x+1)=1+(x^2+1)/(x^2+x+1)
(x^2+X+1)/(x^2+1)+1+(x^2+1)/(x^2+x+1)=19/6
(x^2+X+1)/(x^2+1)+(x^2+1)/(x^2+x+1)=19/6-1=13/6
(x^2+X+1)/(x^2+1)+(2x^2+x+2)/(x^2+x+1)=19/6
(2x^2+x+2)/(x^2+x+1)=x^2+X+1+x^2+1/(x^2+x+1)=1+(x^2+1)/(x^2+x+1)
(x^2+X+1)/(x^2+1)+1+(x^2+1)/(x^2+x+1)=19/6
(x^2+X+1)/(x^2+1)+(x^2+1)/(x^2+x+1)=19/6-1=13/6