分解因式:(x4-4x2+1)(x4+3x2+1)+10x4=______
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解决时间 2021-01-30 16:51
- 提问者网友:眉目添风霜
- 2021-01-30 10:08
分解因式:(x4-4x2+1)(x4+3x2+1)+10x4=______
最佳答案
- 五星知识达人网友:一秋
- 2021-01-30 11:14
(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).
故答案为:(x+1)2(x-1)2(x2+x+1)(x2-x+1).
=[(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).
故答案为:(x+1)2(x-1)2(x2+x+1)(x2-x+1).
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