(z+3)(z-3)-z(z+5)=6.Pls solve the equation fast. Share with your friends Share 0 Rishabh Mittal answered this Dear Student, z+3 z-3 - z z+5 =6z2 - 32 - z2 + 5z = 6 Since a+ba-b=a2-b2 z2-9-z2-5z=6-5z=6+9-5z=15z=15-5z=-3 ANS... Regards -1 View Full Answer