Answer:
[tex] - {( {x}^{2} - 6x)}^{ \frac{ - 1}{2} } - ( {x}^{2} - 6x) {}^{ \frac{ - 3}{2} } (x - 3)(5 - x) \\ \\ = {( {x}^{2} - 6x) }^{ \frac{ - 3}{2} } \{ {1 - ( {x}^{2} - 6x)}^{ \frac{1}{3} } (x - 3)(5 - x) \} \\ \\ [/tex]
