x三次方-1除x-1

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/06 18:39:09
x三次方-1除x-1

x三次方-1除x-1
x三次方-1除x-1

x三次方-1除x-1
原式=(x-1)(x²+x+1)÷(x-1)
=x²+x+1

(x三次方-1)÷(x-1)
=(x-1)(x²+x+1)÷(x-1)
=x²+x+1