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Hi sunniboy, can I meet ur friends . Took me around 2 mins but I guess its the only way. Cross multiply, then u can cancel abx and then derive at the equation in the form of ax^2+bx+c=0, we get the equation (a+b)x^2 + (a+b)^2 x + ab(a+b), I think now u will be able to find out the roots.