4xy²-4x²y-y³ 分解因式
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/05 13:10:42
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4xy²-4x²y-y³ 分解因式
4xy²-4x²y-y³ 分解因式
4xy²-4x²y-y³ 分解因式
4xy²-4x²y-y³
=-y(y²-4xy+4x²)
=-y(y-2x)²
原式=y(4xy-4x²-y²)= -y(4x²-4xy+y²)= -y(2x-y)²
4xy²-4x²y-y³ =y(4xy-4x²-y²)=-y(4x²-4xy+y²)=-y(2x-y)²