x(x+y)(x-y)-x(x+y)²
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 16:51:36
![x(x+y)(x-y)-x(x+y)²](/uploads/image/z/7172221-13-1.jpg?t=x%EF%BC%88x%2By%EF%BC%89%EF%BC%88x-y%EF%BC%89-x%EF%BC%88x%2By%EF%BC%89%26%23178%3B)
x(x+y)(x-y)-x(x+y)²
x(x+y)(x-y)-x(x+y)²
x(x+y)(x-y)-x(x+y)²
x(x+y)(x-y)-x(x+y)²
=x(x+y)*[(x-y)-(x+y)]
=x(x+y)*(-2y)
你叫我求什么 啊
x(x+y)(x-y)-x(x+y)²
=x(x+y)[(x-y)-(x+y)]
=x(x+y)(-2y)
=-2xy(x+y)
是因式分解吗?x(x+y)(x-y-x-y)= -2xy(x+y)