2x-y)²-10(2x-y)+25(2x-y)²-10(2x-y)+25
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/28 20:22:14
2x-y)²-10(2x-y)+25(2x-y)²-10(2x-y)+25
2x-y)²-10(2x-y)+25
(2x-y)²-10(2x-y)+25
2x-y)²-10(2x-y)+25(2x-y)²-10(2x-y)+25
﹙2x-y)²-10(2x-y)+25
=[(2x-y)-5]²
=(2x-y-5)²
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来源:学生作业帮助网 编辑:作业帮 时间:2024/06/28 20:22:14
2x-y)²-10(2x-y)+25(2x-y)²-10(2x-y)+25
2x-y)²-10(2x-y)+25
(2x-y)²-10(2x-y)+25
2x-y)²-10(2x-y)+25(2x-y)²-10(2x-y)+25
﹙2x-y)²-10(2x-y)+25
=[(2x-y)-5]²
=(2x-y-5)²