(a-2)(a²+2a+4)
来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/24 10:33:36
(a-2)(a²+2a+4)(a-2)(a²+2a+4)(a-2)(a²+2a+4)(a-2)(a²+2a+4)=a³+2a²+4a-2a&
(a-2)(a²+2a+4)
(a-2)(a²+2a+4)
(a-2)(a²+2a+4)
(a-2)(a²+2a+4)
=a³+2a²+4a-2a²-4a-8
=a³-8
如果不懂,请追问,祝学习愉快!
(a-2)(a²+2a+4)
=a^3-2^3=a^3-8