a^2+1=-4a so, a^4+2a^2+1=16a^2 so, a^4+1=14a^2a^4+ma^2+1=(14+m)a^23a^3+ma^2+3a=3a(a^2+ma/3+1)=3a*(ma/3-4a)=(m-12)a^2 (a^4+ma^2+1)/(3a^3+ma^2+3a)=(14+m)/(m-12)=5m=37/2
