Решите уравнение )
X/(x-5)+(3x15)/(x²-25)=(x(x+5)+3x+15)/(x+5)(x-5)= =(x²+5x+3x+15)/(x+5)(x-5)=(x²+8x+15)/(x+5)(x-5)= =(x+3)(x+5)/(x+5)(x-5)=(x+3)/(x+5)