x^15+x^12+x^9+x^6+x^3+1因式分解数学题
题目
x^15+x^12+x^9+x^6+x^3+1因式分解数学题
答案
原式=x^12(x³+1)+x^6(x³+1)+（x³+1）
=(x³+1)(x^12+x^6+1)
=(x+1)(x²-x+1)(x^12+x^6+1)
=(x+1)(x²-x+1)(x^12+2x^6+1-x^6)
=(x+1)(x²-x+1)[(x^6+1)²-x^6]
=(x+1)(x²-x+1)(x^6+x³+1)(x^6-x³+1)
请点击下面的【选为满意回答】按钮,
举一反三
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
最新试题
热门考点
- 一个三位数,既是3的倍数,又有因数5,这个数如果是奇数最小是（?）,最大偶数是（?）
- 这种情况不会持续多久.英语怎么说?
- Had known it earlier,I would not have gone back!
- only,on,sports,Mike,tv,watches,games连词成句
- 晚上7点钟时,月亮出现在西边的天空,弯弯的像娥眉,由此可知
- seek,seek for,seek after的区别
- 请问x-2/7x=1/14怎么算
- shall we have a picnic at the weekend?同义句转换 ----- ----- having a picnic at the weekeng?
- 《登鹳雀楼》这首诗所表达的情感,并写出对诗的看法和感受
- 小学常用的修辞手法和说明手法