|5*x + 6| |-------| |2*x + 4|
Abs((5*x + 6)/(2*x + 4))
|6 + 5*x| |-------| | 2 + x | --------- 2
Abs((6 + 5*x)/(2 + x))/2
Abs(6/(2*x + 4) + 5*x/(2*x + 4))
| 6 5*x | |------- + -------| |2*x + 4 2*x + 4|
| 6 5*x | |----- + -----| |2 + x 2 + x| --------------- 2
Abs(6/(2 + x) + 5*x/(2 + x))/2
| 6 5*x | |------- + -------| |4 + 2*x 4 + 2*x|
Abs(6/(4 + 2*x) + 5*x/(4 + 2*x))