解方程:kx²-(k-1)x-2k-2=0
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/08 13:47:29
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解方程:kx²-(k-1)x-2k-2=0
解方程:kx²-(k-1)x-2k-2=0
解方程:kx²-(k-1)x-2k-2=0
kx²-(k-1)x-2k-2=0=(x-2)(kx+k+1),
——》x-2=0,即x=2,
或kx+k+1=0,即x=-(k+1)/k.