a²(x-y)+4b²(y-x)怎么因式分解?谢谢
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 05:28:18
![a²(x-y)+4b²(y-x)怎么因式分解?谢谢](/uploads/image/z/1073173-13-3.jpg?t=a%26%23178%3B%28x-y%29%2B4b%26%23178%3B%28y-x%29%E6%80%8E%E4%B9%88%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%3F%E8%B0%A2%E8%B0%A2)
a²(x-y)+4b²(y-x)怎么因式分解?谢谢
a²(x-y)+4b²(y-x)怎么因式分解?谢谢
a²(x-y)+4b²(y-x)怎么因式分解?谢谢
a²(x-y)+4b²(y-x)
=a²(x-y)-4b²(x-y)
=(x-y)(a²-4b²)
=(x-y)(a+2b)(a-2b)
原式=a²(x-y)-4b²(x-y)
=(x-y)(a²-4b²)
=(x-y)(a+2b)(a-2b)
a²(x-y)+4b²(y-x)
=a²(x-y)-4b²(x-y)
=(a²-4b²)(x-y)
=(a+2b)(a-2b)(x-y)
a²(x-y)+4b²(y-x)=(x-y)(a²-4b²)=(x-y)(a+2b)(a-2b)
(x-y)(a²-4b²)=(x-y)(a-2b)(a+2b)
(x-y)(a^2-4b^2)=(x-y)(a+2b)(a-2b)
2、夏朝设置了各种国家机构(包括政府机构、军队、刑法和监狱等)是奴隶主阶级压迫平民和奴隶的工具。 3、西周的分封制(1)分封的目的:巩固统治(2)分封