INPUT                pullout_num         pullout_const        =
pullout        pullout_using_content

     2 %I b + 2 a
     ------------              %I b + a             %I b + a          %I =
b + a              %I b + a
          2

               2
 (2 %I b + 2 a)  + 4                 2                    2              =
   2          2               2
 -------------------       (%I b + a)  + 1      (%I b + a)  + 1   (%I b =
+ a)  + 1   - b  + 2 %I a b + a  + 1
          4

                     2                       2
(SQRT(2) x + SQRT(2))   (SQRT(2) x + SQRT(2))              2             =
    2                     2
----------------------  ----------------------      (x + 1)           (x =
+ 1)               (x + 1)
          2                       2

      2                        2                    2                 2  =
                   2
   5 y  - 15 x + 10        5 (y  - 3 x + 2)     5 (y  - 3 x + 2)  5 (y  =
- 3 x + 2)      5 (y  - 3 x + 2)

       a C + a                 a C + a              a C + a              =
a                     a
       -------                 -------              -------              =
-                     -
       b C + b                 b C + b              b C + b              =
b                     b

       a C + a                 a C + a              a C + a          a =
(C + 1)             a (C + 1)
       -------                 -------              -------          =
---------             ---------
       b C + C                 b C + C              b C + C          (b =
+ 1) C             (b + 1) C