3x^2-2xy-y^2=0因式分解

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/28 17:30:48
3x^2-2xy-y^2=0因式分解3x^2-2xy-y^2=0因式分解3x^2-2xy-y^2=0因式分解(3x+y)(x-y)=0∴x=-y/3x=y3x^2-2xy-y^2=(3x+y)(x-y

3x^2-2xy-y^2=0因式分解
3x^2-2xy-y^2=0因式分解

3x^2-2xy-y^2=0因式分解
(3x+y)(x-y)=0
∴x=-y/3 x=y

3x^2-2xy-y^2=(3x+y)(x-y)

3x²-2xy-y²=﹙3x+y﹚﹙x-y﹚