2道因式分解的题目1.(x²-2x)²-2(x²-2x)-32.x²+x-(a²-a)
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2道因式分解的题目1.(x²-2x)²-2(x²-2x)-32.x²+x-(a²-a)
2道因式分解的题目
1.(x²-2x)²-2(x²-2x)-3
2.x²+x-(a²-a)
2道因式分解的题目1.(x²-2x)²-2(x²-2x)-32.x²+x-(a²-a)
.(x²-2x)²-2(x²-2x)-3
=[(x²-2x)-3][(x²-2x+1]
=(x²-2x-3)(x²-2x+1)
=(x+1)(x-3)(x-1)²
2.x²+x-(a²-a)
=x²-a²+x+a
=(x+a)(x-a)+(x+a)
=(x+a)(x-a+1)
这是在考研咱的电脑插入能力吧?