(1) 3 2 x2?1=0(2)4(x-1)2=9(x-5)2解:(1)由原方程移项,得 3 2 x2=1,化系数为1,得x2= 2 3 ,直接开平方,得x=± 6 3 ;(2)由原方程移项,得4(x-1)2-9(x-5)2=0,∴[2(x-1)+3(x-5)]×[2(x-1)-3(x-5)]=0,∴(5x-17)(-x+13)=0,∴5x-17=0,或-x+13=0,解得,x= 17 5 ,或x=13.