分解因式:(x4-4x2+1)(x4+3x2+1)+10x4=________.

发布时间:2020-07-30 03:32:35

分解因式:(x4-4x2+1)(x4+3x2+1)+10x4=________.

网友回答

(x+1)2(x-1)2(x2+x+1)(x2-x+1)

解析分析:首先将x4+1看作一个整体,然后根据十字相乘法进行因式分解,得出结果.

解答:(x4-4x2+1)(x4+3x2+1)+10x4,
=[(x4+1)2-x2(x4+1)-12x4]+10x4,
=(x4+1)2-x2(x4+1)-2x4,
=(x4+1-2x2)(x4+1+x2),
=(x2-1)2[(x2+1)2-x2],
=(x+1)2(x-1)2(x2+x+1)(x2-x+1).
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