分解因式:[(x-1)+(y-xy)]²怎样变成[(x-1)*(1-y)]²

来源:学生作业帮助网 编辑:作业帮 时间:2024/07/20 23:42:31
分解因式:[(x-1)+(y-xy)]²怎样变成[(x-1)*(1-y)]²
x){b⧳<~Ϭh ]CMmJ݊JX5eCs g }l?Y.\&HP=  @PBXV! dqV˜p}yvP؀9脈TZ,[ DfӾPFևi jb#lp  O7l|ڱ/{ttIǩ

分解因式:[(x-1)+(y-xy)]²怎样变成[(x-1)*(1-y)]²
分解因式:[(x-1)+(y-xy)]²怎样变成[(x-1)*(1-y)]²

分解因式:[(x-1)+(y-xy)]²怎样变成[(x-1)*(1-y)]²
[ (x - 1) + (y - xy) ]"
= [ (x - 1) - (xy - y) ]"
= [ (x - 1) - y(x - 1) ]"
= [ (x - 1)(1 - y) ]"

(x-1)+(y-xy)
=(x-1)+y(1-x)
=(x-1)-y(x-1)
=(x-1)(1-y)

原式=[(x-1)-y(x-1)]²
=[(x-1)(1-y)]²

[ (x - 1) + (y - xy) ]"= [ (x - 1) - (xy - y) ]"= [ (x - 1) - y(x - 1) ]"= [ (x - 1)(1 - y) ]" 就到这里,,