(x-y)(x+y)+(x-y)+(x+y)化简以后是什么?

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/24 01:44:29
(x-y)(x+y)+(x-y)+(x+y)化简以后是什么?

(x-y)(x+y)+(x-y)+(x+y)化简以后是什么?
(x-y)(x+y)+(x-y)+(x+y)化简以后是什么?

(x-y)(x+y)+(x-y)+(x+y)化简以后是什么?
X²+2X-Y²

x^2+2x-y^2