nostr:npub1zdp33shl69xr0uq3x8n5gsjykq9upycwh6nqm02c3f6x0frrn0dq42vqv8 I think teaching canonicalization helps with this sort of thing.  I think the first example I learned was simplifying fractions, but I don’t remember how I got from learning that to habitually rewriting everything before my 2nd attempt at college