Question 1201502
<pre>
1  |  1   5   3   -5   -4
   |
   |      1   6    9    4
   --------------------------------
     1    6   9    4    0


-1 |   1   6   9   4
   |
   |      -1  -5   -4
   ----------------------------
      1    5   4   0

-4  |  1    5    4
    |
    |      -4   -4
    ----------------------
       1    1   0
     this which represents x+1 as a quotient
</pre>
{{{highlight((x-1)(x+1)(x+1)(x+4))}}}