若x=0是方程(m-2)x²+3x+m²+2m-8的解,则m=( )
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![若x=0是方程(m-2)x²+3x+m²+2m-8的解,则m=( )](/uploads/image/z/1810792-64-2.jpg?t=%E8%8B%A5x%3D0%E6%98%AF%E6%96%B9%E7%A8%8B%EF%BC%88m-2%EF%BC%89x%26%23178%3B%2B3x%2Bm%26%23178%3B%2B2m-8%E7%9A%84%E8%A7%A3%2C%E5%88%99m%3D%EF%BC%88+%EF%BC%89)
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若x=0是方程(m-2)x²+3x+m²+2m-8的解,则m=( )
若x=0是方程(m-2)x²+3x+m²+2m-8的解,则m=( )
若x=0是方程(m-2)x²+3x+m²+2m-8的解,则m=( )
若x=0是方程(m-2)x²+3x+m²+2m-8=0的解,则有:
m²+2m-8=0
即:(m-2)(m+4)=0
解得:m=2或m=-4