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把下列多项式因式分解:x2-4x+3
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x(x+1)(x-1)
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多项式x2+mx+5因式分解得x+5x+n则m=n=.
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下列多项式能进行因式分解的是.
x
2
-y
x
2
+1
x
2
+y+y
2
x
2
-4x+4
一个多项式若能因式分解则这个多项式被其任一因式除所得余式为0
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﹣20
﹣16
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下面是某同学对多项式x2-4x+2x2-4x+6+4进行因式分解的过程.解设x2-4x=y原式=y+
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把多项式x2+mx+5因式分解得x+5x+n则m=_______n=_______.
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