因式分解:
(1)
(2)
;
(3)(x+y)2-16(x-y)2
(4)-2x2y+12xy-18y
(5)x4-1
(6)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/710d99d36109c2c2996dcde45f4bd949.png)
(7)已知
,
,求
的值.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d3bcbdbedfcb1b8479028488f0ad4c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9b948209f6eef003f1ff348cbfeac82.png)
(3)(x+y)2-16(x-y)2
(4)-2x2y+12xy-18y
(5)x4-1
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/710d99d36109c2c2996dcde45f4bd949.png)
(7)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45900deae0489e87fe448948e8091c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e2b41c77c0be701c987369102551cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/038a15b921aef80e23b6095276011806.png)
更新时间:2019-11-03 16:12:10
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【知识点】 综合提公因式和公式法分解因式解读