How do you say good luck and goodbye in polish?

Here are a couple of ways to say "good luck and goodbye" in Polish:

Formal:

* Powodzenia i do widzenia! (pow-oh-dze-nya ee doh vee-dze-nya) - This is the most common and formal way to say it.

Informal:

* Szczęścia i na razie! (shchen-shcha ee nah ra-zee) - This is a more casual way to say it.

You could also use a combination of "good luck" and "goodbye" phrases:

* Powodzenia! Do widzenia! (pow-oh-dze-nya! doh vee-dze-nya!)

* Szczęścia! Na razie! (shchen-shcha! nah ra-zee!)

Remember that the choice of phrase depends on the context and your relationship with the person.