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> 把多项式-x2-2x-1分解因式所得的结果是„„„„„„„„„„„„„„„„„„(              ...

把多项式-x2-2x-1分解因式所得的结果是„„„„„„„„„„„„„„„„„„(              ...

问题详情:

把多项式-x2-2x-1分解因式所得的结果是„„„„„„„„„„„„„„„„„„(              ...

把多项式-x2-2x-1 分解因式所得的结果是„„„„„„„„„„„„„„„„„„(                                                                                           )

A.(-x-1)2                                                  B.-(x-1)  2                                         C.(x-1)2                                                   D.-(x+1)2

【回答】

D

知识点:因式分解

题型:选择题

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