a^2-a=1a^2=1+a323/(a^18+a^6)=323/a^6*(a*a^2+1)=323/a^6*[a(1+a)+1]=323/a^6*[a^2+a+1]=323/a^6*[(a^2-a-1)+2a+2]=323/a^6*[0+2a+2]=323/2a^6*(a+1)=323/2a^6*a^2=323/2a^8=323/2(a+1)^4=323/2[a^4+4a^3+6a^2+4a+1...