(2009•漳州)给出三个多项式:
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021225806114211140/SYS201310212258061142111019_ST/0.png)
x
2+2x-1,
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021225806114211140/SYS201310212258061142111019_ST/1.png)
x
2+4x+1,
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021225806114211140/SYS201310212258061142111019_ST/2.png)
x
2-2x.请选择你最喜欢的两个多项式进行加法运算,并把结果因式分解.
考点分析:
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