4xy²-4x²y-y³
来源:学生作业帮助网 编辑:作业帮 时间:2024/05/08 22:17:55
x)3TS6450*u"6IExl(3$o[*Ԇ*ׄUVjBmVۀ9XPd>LJ]
-@1X/ vud
4xy²-4x²y-y³
4xy²-4x²y-y³
4xy²-4x²y-y³
4xy²-4x²y-y³
=-y(4x²-4xy+y²)
=-y(2x-y)²
4xy²-4x²y-y³
=-y(y²-4xy+4x²)
=-y(y-2x)²
4xy²-4x²y-y³
=-y(-4xy+4x²+y²)
=-y(2x-y)²