2(x-y)^3-3(y-x)^2
来源:百度知道 编辑:UC知道 时间:2024/05/21 07:12:06
因式分解
2(x-y)^3-3(y-x)^2
=2(x-y)^3-3(x-y)^2
=(x-y)^2[2(x-y)-3]
=(x-y)^2(2x-2y-3)
你好!!!
2(x-y)^3-3(y-x)^2
=2(x-y)^3-3(x-y)^2
=(x-y)^2(2(x-y)-3)
=(x-y)^2×(2x-2y-3)
还有什么不明白的地方再问我。
谢谢!!!
2(x-y)^3-3(y-x)^2
=2(x-y)^3+3(x-y)^2
=(x-y)^2×〔2(x-y)+3〕
=(x-y)^2×(2x-2y+3)