I'm really bad with these and i need some help simplifying something. I need all the work to be shown though, sorry if thats a hassle. Here it is:
A'BCD+A'BCD'+A'BC'D+A'B'CD+ABCD+ABCD'+ABC'D+ABC'D'+AB'CD+AB'CD'
A'BCD+A'BCD'+A'BC'D+A'B'CD+ABCD+ABCD'+ABC'D+ABC'D'+AB'CD+AB'CD'