作业帮(x-y)²-(3x-3xy+y²)因式分解
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/09 10:32:16
(x-y)²-(3x-3xy+y²)因式分解
(x-y)²-(3x-3xy+y²)因式分解
(x-y)²-(3x-3xy+y²)因式分解
(x-y)²-(3x-3xy+y²)
=x²+y²-2xy-3x+3xy-y²
=x²-3x+xy
=x(x+y-3)
原式=(x-y+3x-3xy+y²)(x-y-3x+3xy-y²)
=(4x-y-3xy+y²)(3xy-2x-y-y²)