-X-2+8/X＜08/X＜X+2X=0无意义,若X＜0,则8＞X(X+2),X²+2X+1＜9,(X+1)²＜9,-3＜X+1＜3解得-4＜X＜0若X＞0,则8＜X(X+2),X²+2X+1＞9,(X+1)²＞9,X＞2或X＜-4解得X＞2所以X的解集为X＞2或-4＜X＜0若...