Multi delete in rails

Not work, multi check and delete This my html form with each list I want delete all checked tasks when click on link

<%= form_tag(_destroy_tasks_path, method: 'put') do %>
      <% @tasks.where(active: true).order(:priority).each do |task| %>
            <li class="task">
              <%= check_box_tag "tasks[]", task.id  %>
               <%= link_to "Del", _destroy_tasks_path(:id => 'tasks') %>
                <%= link_to task.title, task, class: "task-title text-dark" %>
              <span class="task-btn">
                  <%=link_to "", new_status_task_path(task), class: "fas fa-bell text-dark icon" %>
                  <%= link_to '', edit_task_path(task), class:"fas fa-cogs text-dark mx-2 icon" %>
                  <%= link_to '', task, method: :delete, data: { confirm: 'Are you sure?' }, class:"far fa-trash-alt text-dark icon" %>
              </span>
            </li>
      <% end %>
  <% end %>

Created action:

  def _destroy
    @task = Task.where(id: params[:tasks])
    @task.destroy_all
    redirect_to action: "index"
  end

Config routes:

resources :tasks do
    get :_destroy, on: :collection
  end

Please, help me!