问题
解答题
分解因式: (1)m4-1 (2)(x+1)(x+2)+
|
答案
(1)m4-1,
=(m2-1)(m2+1),
=(m-1)(m+1)(m2+1),
(2)(x+1)(x+2)+
.1 4
=x2+3x+2+
,1 4
=(x+
)2.3 2
分解因式: (1)m4-1 (2)(x+1)(x+2)+
|
(1)m4-1,
=(m2-1)(m2+1),
=(m-1)(m+1)(m2+1),
(2)(x+1)(x+2)+
.1 4
=x2+3x+2+
,1 4
=(x+
)2.3 2