{!! Form::open(['route' => ['admin.manageimages.destroy', $id], 'method' => 'delete']) !!}
<div class='btn-group'>

     {!! Form::button('<i class="fa fa-trash"></i>', [
        'type' => 'submit',
        'class' => 'btn btn-sm btn-outline-danger',
        'onclick' => "return confirm('Are you sure?')",
        'title' => 'Delete'
    ]) !!}
</div>
{!! Form::close() !!}