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?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

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