(1)(x2+ 1 2 x+ 1 16 )?(x2? 1 16 )= 1 4 由原方程,得x2+ 1 2 x+ 1 16 ?x2+ 1 16 = 1 4 解得x= 1 2 ;(2)由原方程,得x?1= 3 ?1 ,解得x=0.