24xy²z²(x+y+z)-32xyz(z-x-y)²+8xyz³(z-x-y)24xy²z²(x+y-z)是减号
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/18 04:51:05
![24xy²z²(x+y+z)-32xyz(z-x-y)²+8xyz³(z-x-y)24xy²z²(x+y-z)是减号](/uploads/image/z/3701697-33-7.jpg?t=24xy%26%23178%3Bz%26%23178%3B%EF%BC%88x%2By%2Bz%29-32xyz%28z-x-y%29%26%23178%3B%2B8xyz%26%23179%3B%EF%BC%88z-x-y%2924xy%26%23178%3Bz%26%23178%3B%EF%BC%88x%2By-z%29%E6%98%AF%E5%87%8F%E5%8F%B7)
x)32TS64PtThWjWiUTViTVVjB-" %HDUfMR>36;:zi{m1k@Cmp0l
@(65r&b( +56)Ӵ/.H̳ c
24xy²z²(x+y+z)-32xyz(z-x-y)²+8xyz³(z-x-y)24xy²z²(x+y-z)是减号
24xy²z²(x+y+z)-32xyz(z-x-y)²+8xyz³(z-x-y)
24xy²z²(x+y-z)是减号
24xy²z²(x+y+z)-32xyz(z-x-y)²+8xyz³(z-x-y)24xy²z²(x+y-z)是减号
原式=24xy²z²(x+y-z)-32xyz(x+y-z)²+8xyz³(x+y-z)
=8xyz(x+y-z)[3yz-4(x+y-z)+z²]
=8xyz(x+y-z)(3yz-4x-4y+4z+z²)