解下列方程

\((1)2\) \(x^{2}=\)\(3\) \(x\) ．                             

\((2)\)\(x^{2}\)\(-\)\(6\)\(x+\)\(9\)\(=\)\((5-2\)\(x\)\()^{2}\)\(;\)  

\((3)\) \(x\)\({\,\!}^{2}-2\) \(x\)\(-1=0.\)                         

\((4) \dfrac{x-2}{x}- \dfrac{3x}{x-2}=2\)．