Creo que termine con el admin del post

app/Http/Controllers/PostController.php

@@ -24,13 +24,24 @@ class PostController extends Controller
 
     public function edit($id)
     {
+        return view('admin.posts.edit', ['post' => Post::find($id)]);
     }
 
-    public function update($id)
+    public function update(Request $request, $id)
     {
+        $post = Post::find($id);
+
+        $post->title = $request->title;
+        $post->md = $request->md;
+        $post->update();
+
+        return redirect()->route('admin.post.index');
     }
 
     public function delete($id)
     {
+        $post = Post::find($id);
+        $post->delete();
+        return redirect()->route('admin.post.index');
     }
 }