x的3次方-x的2次方-x+1因式分解

来源:学生作业帮助网 编辑:作业帮 时间:2024/07/14 12:36:15
x的3次方-x的2次方-x+1因式分解
x)x>ٚϦ`lmç<6IEԂQ4ِh.kѨ5P 0[]XDL҆ b`g6?|tXkӎOvyiًUOo}0 @Ϧ/x9s£Og/z9c5^{w~qAb4Pl+u+>r@|S "U$ RWE8#$W2

x的3次方-x的2次方-x+1因式分解
x的3次方-x的2次方-x+1
因式分解

x的3次方-x的2次方-x+1因式分解
x³-x²-x+1
= x²(x-1)-(x-1)
= (x-1)(x²-1)
= (x-1)(x+1)(x-1)
= (x-1)²(x+1)
--------------------
梳理知识,帮助别人,愉悦自己.
“数理无限”团队欢迎你

解x^3-x^2-x+1
=x^2(x-1)-(x-1)
=(x^2-1)(x-1)
=(x+1)(x-1)(x-1)
=(x+1)(x-1)^2