八上因式分解题,x²-xy-12y²=?m(x-y)²-x+y=?(都要有过程,)
来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/20 03:38:30
八上因式分解题,x²-xy-12y²=?m(x-y)²-x+y=?(都要有过程,)八上因式分解题,x²-xy-12y²=?m(x-y)²-x
八上因式分解题,x²-xy-12y²=?m(x-y)²-x+y=?(都要有过程,)
八上因式分解题,
x²-xy-12y²=?m(x-y)²-x+y=?(都要有过程,)
八上因式分解题,x²-xy-12y²=?m(x-y)²-x+y=?(都要有过程,)
x²-xy-12y²=(x-4y)(x+3y)
m(x-y)²-x+y
=m(x-y)²-(x-y)
=(x-y)[m(x-y)-1]
=(x-y)(mx-my-1)