作业帮x²-2xy+y²+2x-2y-8
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/30 01:33:49
x)PS645Ԯ*t*u-lPfHVBR& hh(]#M<;6`- Il
x²-2xy+y²+2x-2y-8
x²-2xy+y²+2x-2y-8
x²-2xy+y²+2x-2y-8
x²-2xy+y²+2x-2y-8
=(x-y)²+2(x-y)-8
=(x-y+4)(x-y-2)
x²-2xy+y²+2x-2y-8
=(x-y)²+2(x-y)-8
=(x-y+4)(x-y-2)