1 . 分解因式:
(1)
;
(2)
;
(3)
;
(4)
;
(5)
;
(6)利用因式分解简化计算:
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e81d263d97987386f87ea896356cde8.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b396c4ea3685fc31ad412f1b6d8ac48.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d91ee36a55db2bfebf70b3990753ed1.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6e5f646c70bb05ead8ba784e9f87f7.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91671cb2b8f66b1654d1b4de439a4801.png)
(6)利用因式分解简化计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c3e1fba4cab29c143a800dfba002a9.png)
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2 . 因式分解:
(1)(添项)
;
(2)(拆项)
;
(3)(换元)
.
(1)(添项)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e7d5ecc6925ad30d69b6d6f212f41bd.png)
(2)(拆项)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87af2e00e616b1015118cba2d2496210.png)
(3)(换元)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854ee83c05b5c6b39a9a745c433f80c0.png)
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3 . 因式分解:
(1)
;
(2)
;
(3)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cca9050f735aab38830371e043e1289.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1531ce28a5af389e49b3cc375c551245.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6532ef2b03e0bedcf39f8e60a18713a3.png)
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4 . 将下列各式分解因式:
(1)
;
(2)
;
(3)
;
(4)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/696222297742f53a40772affeee2f607.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bec6f23e616b7305b8d3bc87ba50de0.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/878734f32648040d4c704a46f74ad925.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce8096ae1c2bdf9f4dbc222ed28a342a.png)
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5 . 分解因式:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d624efdf5ef55c5c6e19dfc04657e2a9.png)
____________ ;
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac073ac4e4e08381a467f8c163157c8.png)
____________ ;
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68895b1a76d28729fffdeae4e43b1aa3.png)
____________ .
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d624efdf5ef55c5c6e19dfc04657e2a9.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac073ac4e4e08381a467f8c163157c8.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68895b1a76d28729fffdeae4e43b1aa3.png)
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6 . 阅读下列因式分解的过程,再回答所提出的问题:
.
(1)上述因式分解的方法是______________,共应用了_________次;
(2)将下列多项式分解因式:
;
(3)若分解
,则需应用上述方法________次,结果是_________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78baf3017f78c5ceed605662f4db507a.png)
(1)上述因式分解的方法是______________,共应用了_________次;
(2)将下列多项式分解因式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dffae608b6415e498f255a5d69544b54.png)
(3)若分解
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2023193718545c2815507a445736aa4.png)
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7 . 分解因式:
(1)
.
(2)
.
(3)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d668594619ab48bac105326cfea6f07.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ba3c1710f845b2bdb4935da53dd0e71.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eb4c70780ad54c5daf4be2607d1cc94.png)
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8 . 若实数a,b满足方程组
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3222517f4c339c065af8100f9fda3aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afc34eada0302668395804832dc405e1.png)
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9 . 分解因式:
(1)
;
(2)
;
(3)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74db450c477fac423acba53c6f6dd305.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47c5253dd1ac0dda70ca4d75acb23e03.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3936adf562c5229697fee28c1f1cd66a.png)
您最近一年使用:0次