(x-4)²-9x²=0 怎么算
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/02 13:37:33
![(x-4)²-9x²=0 怎么算](/uploads/image/z/5906618-26-8.jpg?t=%28x-4%29%26%23178%3B-9x%26%23178%3B%3D0+%E6%80%8E%E4%B9%88%E7%AE%97)
x)Ө5TS64ֵ0l
5=|t"}lH0K۸BDi[ HU>똦kd_\gnXB3_kRl-
P
(x-4)²-9x²=0 怎么算
(x-4)²-9x²=0 怎么算
(x-4)²-9x²=0 怎么算
(x-4+3x)(x-4-3x)=0
(4x-4)(-2x-4)=0
x=1或-2
(x-4)²-9x²=0
2 - x - x^2=0
(x-1)(x+2)=0
x=1 x=-2