The one on the left doesn't look too bad at all, and the one on the right looks salvageable.
If the pots had no drainage holes, I can see why you would remove them from the pot. The ones with rotted roots do need a little root trimming, too. Just mind you don't clip a healthy root by mistake.
Good for you for committing to their recovery! It can be frustrating if you're eager for blooms, but if you enjoy rehabilitating plants, and have a lot of patience, bringing them back to blooming will be a very rewarding experience!
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