Respuesta :
Try this suggested example.
PS. the 1st step is marked with red, the 2d step - with green, the 3d step - with blue colours, then the final step is marked with orange.

Look at the following pictures of Polynomial Division from a textbook.
Also for further explanation, search up 'Polynomial long division' on You Tube
(The video by 'MySecretMathTutor' seems pretty good)

