3x^2=(k-1)x-k-6 3x^2-(k-1)x+k+6=0
kx^2-(4k-1)x=2k kx^2-(4k-1)x-2k=0
k+6=-2k 3k+6=0 k=-2
-(k-1)=3 -2k=4
3x²=(k-1)x-k-6一次项系数为3
kx²-(4k-1)x=2k 一次项系数为4
3x^2=(k-1)x-k-6 3x^2-(k-1)x+k+6=0
kx^2-(4k-1)x=2k kx^2-(4k-1)x-2k=0
k+6=-2k 3k+6=0 k=-2
-(k-1)=3 -2k=4
3x²=(k-1)x-k-6一次项系数为3
kx²-(4k-1)x=2k 一次项系数为4