А + 4 / a - а + 6/ a +2

Question

А + 4 / a - а + 6/ a +2

Answer 1

(a+4)/a - (a+6)/(a+2)=((a+4)(a+2)-a(a+6))/a(a+2)=
=(aˇ2+6a+8-aˇ2-6a)/(a(a+2)=
=8/a(a+2)