10a(x-y)²-5a(y-x)
来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/25 12:36:30
10a(x-y)²-5a(y-x)10a(x-y)²-5a(y-x)10a(x-y)²-5a(y-x)10a(x-y)²-5a(y-x)=10a(x-y)
10a(x-y)²-5a(y-x)
10a(x-y)²-5a(y-x)
10a(x-y)²-5a(y-x)
10a(x-y)²-5a(y-x)
=10a(x-y)²+5a(x-y)
=5a(x-y)[2(x-y)+1]
汗。。。。。。。。。。题目不会就是这样吧