9x'2-2y-y'2-6x因式分解

来源:学生作业帮助网 编辑:六六作业网 时间:2024/10/04 14:54:00
9x''2-2y-y''2-6x因式分解9x''2-2y-y''2-6x因式分解9x''2-2y-y''2-6x因式分解9x''2-2y-y''2-6x=(9x²-y²)-(6x+2y)=(3x+

9x'2-2y-y'2-6x因式分解
9x'2-2y-y'2-6x因式分解

9x'2-2y-y'2-6x因式分解
9x'2-2y-y'2-6x
=(9x²-y²)-(6x+2y)
=(3x+y)(3x-y)-2(3x+y)
=(3x+y)(3x-y-2)