Question

Решите пожалуйста номер 3

Answer 1

2/(x^2-9)+1/(x-3)-2/(x+3)=2/(x-3)(x+3)+(x+3)/(x-3)(x+3)-2(x-3)/(x-3)(x+3) = (2+x+3-2x+6)/(x-3)(x+3)= (11-x)/(x-3)(x+3)