K为何值时,等式/-24+3a/+(3a-2分之k-b)的二次方=0中的B是负数?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/02 07:32:24
![K为何值时,等式/-24+3a/+(3a-2分之k-b)的二次方=0中的B是负数?](/uploads/image/z/2471119-7-9.jpg?t=K%E4%B8%BA%E4%BD%95%E5%80%BC%E6%97%B6%2C%E7%AD%89%E5%BC%8F%2F-24%2B3a%2F%2B%EF%BC%883a-2%E5%88%86%E4%B9%8Bk-b%EF%BC%89%E7%9A%84%E4%BA%8C%E6%AC%A1%E6%96%B9%3D0%E4%B8%AD%E7%9A%84B%E6%98%AF%E8%B4%9F%E6%95%B0%3F)
K为何值时,等式/-24+3a/+(3a-2分之k-b)的二次方=0中的B是负数?
K为何值时,等式/-24+3a/+(3a-2分之k-b)的二次方=0中的B是负数?
K为何值时,等式/-24+3a/+(3a-2分之k-b)的二次方=0中的B是负数?
/-24+3a/+(3a-2分之k-b)的二次方=0,
(-24+3a)^2=[(k-b)/(3a-2)]^2,
(k-b)^2=(-24+3a)^2*(3a-2)^2,
k-b==(3a-24)*(3a-2)或k-b=-(3a-24)*(3a-2)