问题
解答题
分解因式
(1)3x3-12x2+3x
(2)x4-1.
答案
(1)3x3-12x2+3x=3x(x2-4x+1);
(2)x4-1,
=(x2+1)(x2-1),
=(x2+1)(x+1)(x-1).
分解因式
(1)3x3-12x2+3x
(2)x4-1.
(1)3x3-12x2+3x=3x(x2-4x+1);
(2)x4-1,
=(x2+1)(x2-1),
=(x2+1)(x+1)(x-1).