SOLUTION: {{{(2r^3 - 6r - 36)/(r-3)="???"}}}

Question 354788:
Answer by Edwin McCravy(20055) (Show Source): You can put this solution on YOUR website!

Use either long division or synthetic division to divide it out.

Write in the missing squared term with a 0 coefficient:



By long division

            2r�  +  6r + 12
r - 3)2r� + 0r� -  6r - 36
      2r� - 6r�
            6r� -  6r
            6r� - 18r
                  12r - 36 
                  12r - 36
                         0

Answer: 2r� + 6r + 12

By synthetic division:

3 | 2 0 -6 -36
  |   6 18  36
    2 6 12   0

Answer: 2r� + 6r + 12

Edwin

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