That drywall tape is meant to span the opening and should not have been removed.
It really needs to be redone ( applied with taping compound, and sanded.
Caulking the corners will probably not be enough, and just spackle or mud will fall out or re-crack.
It really needs to be redone ( applied with taping compound, and sanded.
Caulking the corners will probably not be enough, and just spackle or mud will fall out or re-crack.