已知x^2-3xy-10y^2=0(xy不等于0)则x/y的值为几?
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![已知x^2-3xy-10y^2=0(xy不等于0)则x/y的值为几?](/uploads/image/z/5281811-35-1.jpg?t=%E5%B7%B2%E7%9F%A5x%5E2-3xy-10y%5E2%3D0%28xy%E4%B8%8D%E7%AD%89%E4%BA%8E0%EF%BC%89%E5%88%99x%2Fy%E7%9A%84%E5%80%BC%E4%B8%BA%E5%87%A0%3F)
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已知x^2-3xy-10y^2=0(xy不等于0)则x/y的值为几?
已知x^2-3xy-10y^2=0(xy不等于0)则x/y的值为几?
已知x^2-3xy-10y^2=0(xy不等于0)则x/y的值为几?
x^2-3xy-10y^2=0
(x-5y)(x+2y)=0
x=5y或x=-2y
所以x/y=5或x/y=-2