[질문] x 1 4 ─ - ─ + ─ x+2 x-2 x²-4 =0 답과식좀

x/(x+2)-1/(x-2)+4/(x^2-4)= (x^2-2x-x-2+4)/(x^2-4) = (x^2-3x+2)/(x-2)(x+2) = (x-2)(x-1)/(x-2)(x+2)= (x-1)/(x+2)