Add Simplify if possible 5z 2 47z 10z2 2z The sum is Sim

Add. Simplify, if possible. 5/z + 2 + 4/7z + 10/z2 + 2z The sum is (Simplify your answer.)

Solution

5*7z + 4*(z+2) + 10*z / (7z^2+14z)

= 35z + 4z+8 + 10z / (7z^2+14z)

= 49z + 8 / (7z^2+14z)