因式分解: (1) 6a2-2a (2)(4x2+1)2-16x2
问题描述:
因式分解:
(1) 6a2-2a
(2)(4x2+1)2-16x2
答
(1)6a2-2a=2a(3a-1).
(2)(4x2+1)2-16x2,
=(4x2+1)2-(4x)2,
=(4x2+4x+1)(4x2-4x+1),
=(2x+1)2(2x-1)2.