(20n^2+N^3+10n^2) /10N^2
Combine like terms:n^3 + 20n^ + 10n^2= n^3 + 30n^Divide:=n^3 + 30n^2/10n^2Factor: =n^2n + 30n^2=n^(n + 30)= 2^2(n + 30)/10n^2Cancel the common factor n^2:=n + 10/10