把多項式-x2-2x-1分解因式所得的結果是„„„„„„„„„„„„„„„„„„( ...
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問題詳情:
把多項式-x2-2x-1 分解因式所得的結果是„„„„„„„„„„„„„„„„„„( )
A.(-x-1)2 B.-(x-1) 2 C.(x-1)2 D.-(x+1)2
【回答】
D
知識點:因式分解
題型:選擇題
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問題詳情:
把多項式-x2-2x-1 分解因式所得的結果是„„„„„„„„„„„„„„„„„„( )
A.(-x-1)2 B.-(x-1) 2 C.(x-1)2 D.-(x+1)2
【回答】
D
知識點:因式分解
題型:選擇題