I. $2{x^2} - 7x - 60 = 0$

II. $3{y^2} + 13y + 4 = 0$

I. $2{{ m{x}}^2} - 7{ m{x}} - 60 = 0$

$2{{ m{x}}^2} - 15{ m{x}} + 8{ m{x}} - 60 = 0$

${ m{x}}left( {2{ m{x}} - 15} ight) + 4left( {2{ m{x}} - 15} ight) = 0$

$left( {{ m{x}} + 4} ight)left( {2x - 15} ight) = 0$

$x = - 4,frac{{15}}{2}$II. $3{{ m{y}}^2} + 13{ m{y}} + 4 = 0$

$3{{ m{y}}^2} + 12{ m{y}} + { m{y}} + 4 = 0$

$3{ m{y}}left( {{ m{y}} + 4} ight) + 1left( {{ m{y}} + 4} ight) = 0$

$left( {3{ m{y}} + 1} ight)left( {{ m{y}} + 4} ight) = 0$

$y = - frac{1}{3}, - 4$

no relation can be established