Как решать ((x+2)/(x-1))-((x-2)/x+1))=4x^2/(x^2-1)...
((x+2)/(x-1))-((x-2)/(x+1))=4x²/(x²-1); ((x+2)(x+1)-(x-2)(x-1))/(x²-1)=4x²/(x²-1); (x²+2x+x+2-x²+2x+x-2)/(x²-1)=4x²/(x²-1); 6x/(x²-1)=4x²/(x²-1); 6x=4x²; 4x²-6x=0; 2x(2x-3)=0; x₁=0; 2x-3=0; x₂=3/2=1.5;