help solving using long division (72

Question

would you show me how to solve using long division:

 

1.  (72 - 8x^2 + 4x^3 - 36x) divide by (x -3)

 

 

2.  (8b^2 - 6) divide by (2b -1)

 

 

thank you

Answer 1

 

         4x^2+4x-24

       _________________

x-3 / 4x^3-8x^2-36x+72

        4x^3-12x^2

       ---------------

                 4x^2-36x

                 4x^2-12x

                 -----------

                         -24x+72

                         -24x+72

                          ----------

                                    0

         4b+2

        ___________

2b-1/8b^2+0b-6

        8b^2-4b

        ----------

                 4b-6

                 4b-2

                 -----

                     -4