(x-y)²+4(x-y)+3
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(x-y)²+4(x-y)+3
(x-y)²+4(x-y)+3
(x-y)²+4(x-y)+3
:(x-y)²+4(x-y)+3=(x-y+2)²-1=(x-y+1)(x-y+3)
(x-y)²+4(x-y)+3
=(x-y+3)(x-y+1)
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来源:学生作业帮助网 编辑:作业帮 时间:2024/11/06 05:22:37
(x-y)²+4(x-y)+3
(x-y)²+4(x-y)+3
(x-y)²+4(x-y)+3
:(x-y)²+4(x-y)+3=(x-y+2)²-1=(x-y+1)(x-y+3)
(x-y)²+4(x-y)+3
=(x-y+3)(x-y+1)