X^2-y^2-2y-1因式分解

来源:学生作业帮助网 编辑:六六作业网 时间:2024/10/07 01:02:54
X^2-y^2-2y-1因式分解X^2-y^2-2y-1因式分解X^2-y^2-2y-1因式分解=x²-(y²+2y+1)=x²-(y+1)²=(x+y+1)(

X^2-y^2-2y-1因式分解
X^2-y^2-2y-1因式分解

X^2-y^2-2y-1因式分解
=x²-(y²+2y+1)
=x²-(y+1)²
=(x+y+1)(x-y-1)