9+24(x-y)+16(x-y)=?分解因式 16(x-y)右上角有个²

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/05 21:51:42
9+24(x-y)+16(x-y)=?分解因式16(x-y)右上角有个²9+24(x-y)+16(x-y)=?分解因式16(x-y)右上角有个²9+24(x-y)+16(x-y)=

9+24(x-y)+16(x-y)=?分解因式 16(x-y)右上角有个²
9+24(x-y)+16(x-y)=?分解因式
16(x-y)右上角有个²

9+24(x-y)+16(x-y)=?分解因式 16(x-y)右上角有个²
原式=[4(x-y)]^2+2*4(x-y)*3+3^2
=[4(x-y)+3]^2
=(4x-4y+3)^2

40(x-y)+9

应该是9+24(x-y)+16(x-y)²
原式=[3+4(x-y)]²
=(4x-4y+3)²

少了个平方吧