(x²-4)²-10(x²-4)+25
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/20 09:35:56
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(x²-4)²-10(x²-4)+25
(x²-4)²-10(x²-4)+25
(x²-4)²-10(x²-4)+25
原式=[(x²-4)-5]²
=(x²-9)²
=[(x+3)(x-3)]²
=(x+3)²(x-3)²
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来源:学生作业帮助网 编辑:作业帮 时间:2024/07/20 09:35:56
(x²-4)²-10(x²-4)+25
(x²-4)²-10(x²-4)+25
(x²-4)²-10(x²-4)+25
原式=[(x²-4)-5]²
=(x²-9)²
=[(x+3)(x-3)]²
=(x+3)²(x-3)²