4+9(x-y)²+12(x-y)
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/15 05:20:28
x)3ѶԨЭTS6464lqIِ$eMF"mB!ƕFPM6yv W /
4+9(x-y)²+12(x-y)
4+9(x-y)²+12(x-y)
4+9(x-y)²+12(x-y)
4+9(x-y)²+12(x-y)
=9(x-y)²+12(x-y)+4
=[3(x-y)+2]²
=(3x-3y+2)²
收录互联网各类作业题目,免费共享学生作业习题
头条考试网手机作业共收录了 千万级 学生作业题目
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/15 05:20:28
4+9(x-y)²+12(x-y)
4+9(x-y)²+12(x-y)
4+9(x-y)²+12(x-y)
4+9(x-y)²+12(x-y)
=9(x-y)²+12(x-y)+4
=[3(x-y)+2]²
=(3x-3y+2)²