Ответ: (x-25)/5(x-5)+(3x+5)/x(x-5)=[x(x-25)+5(3x+5)]/[5x(x-5)]==(x²-25x+15x+25)/[5x(x-5)]=(x²-10x+25)/[5x(x-5)]=(x-5)²/[5x(x-5)]=(x-5)/5x

Источник znanija.site