User blog comment:Mira Laime/Introducing long-awaited Discussions updates/@comment-5683044-20190401164106/@comment-26339491-20190401204243

You can't at the moment. For now, you'll have to choose to either post text, or a poll, or an image (or make three posts to share all three). We're planning on adding more options to the post creation flow, though, so you'll be able to do that again, and more.