4(x+y)²-9(x-y)²因式分解
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/05 19:55:35
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4(x+y)²-9(x-y)²因式分解
4(x+y)²-9(x-y)²因式分解
4(x+y)²-9(x-y)²因式分解
4(x+y)²-9(x-y)²
=(2(x+y)+3(x-y))(2(x+y)-3(x-y))
=(5x-y)(-x+5y)
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来源:学生作业帮助网 编辑:作业帮 时间:2024/07/05 19:55:35
4(x+y)²-9(x-y)²因式分解
4(x+y)²-9(x-y)²因式分解
4(x+y)²-9(x-y)²因式分解
4(x+y)²-9(x-y)²
=(2(x+y)+3(x-y))(2(x+y)-3(x-y))
=(5x-y)(-x+5y)