Question

буква "г", Помогите решить)

Answer 1

$frac{2y-12}{y^2-25} *(y+ frac{y}{y-6} )= frac{2(y-6)}{(y-5)(y+5)} * frac{y^2-6y+y}{y-6} =frac{2}{(y-5)(y+5)} * frac{y^2-5y}{1} = \ =frac{2}{(y-5)(y+5)} * frac{y(y-5)}{1} = frac{2y}{y+5}$