___
___ 5 5*\/ x
7*\/ x - ----- + ------- + 3*x - 4
___ x
\/ x
7*sqrt(x) - 5/(sqrt(x)) + 5*sqrt(x)/x + 3*x - 1*4
___ 3/2
- 4*\/ x + 3*x + 7*x
------------------------
___
\/ x
(-4*sqrt(x) + 3*x^(3/2) + 7*x)/sqrt(x)