x≥(x^2-2x-1)/x-1(x²-2x-1+x-x²)/(x-1)≦0(-x-1)/(x-1)≦0(x+1)/(x-1)≧0(x+1)(x-1)≧0,且x≠ 1所以不等式的解:x>1或x≦-1
(x²-2x-1)/x-1-x<=0(x²-2x-1-x-x²)/x<=0(-3x-1)/x<=0即x(3x+1)>=0分母不等于0所以x≤-1/3,x>0