1997 Oldsmobile Cutlass

1997 Oldsmobile Cutlass 6 cyl Front Wheel Drive Automatic

My car shakes when I apply the brakes I replaced both rotors, both ball joints, both outer tie rod ends & took the car in to have the tires checked for broken belts and to have the rims checked if they where bent wheels and rims are fine don't know what else it could be please help