分解因式:x²-y²+2x-2y
来源:学生作业学帮网 编辑:学帮网 时间:2024/05/30 12:17:27
分解因式:x²-y²+2x-2y
x²-y²+2x-2y
=(x+y)(x-y)+2(x-y)
=(x-y)(x+y+2)
(x+y)(x-y)+2(x-y)=(x-y)(x+y+2)
x²-y²+2x-2y
=(x-y)(x+y)+2(x-y)
=(x-y)(x+y+2)
=(x+y)(x-y)+2(x-y)
=(x-y)(x+y+2)
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来源:学生作业学帮网 编辑:学帮网 时间:2024/05/30 12:17:27
分解因式:x²-y²+2x-2y
x²-y²+2x-2y
=(x+y)(x-y)+2(x-y)
=(x-y)(x+y+2)
(x+y)(x-y)+2(x-y)=(x-y)(x+y+2)
x²-y²+2x-2y
=(x-y)(x+y)+2(x-y)
=(x-y)(x+y+2)
=(x+y)(x-y)+2(x-y)
=(x-y)(x+y+2)