不等式的解集等同于:(x^2+2x-3)(-x^2+x+6)<0(x+3)(x-1)(x^2-x-6)>0(x+3)(x-1)(x-3)(x+2)>0所以:解集为:(-∞,-3)∪(-2,1)∪(3,+∞)
x2+2x-3/-x2+x+6<0x2+2x-3/x2-x-6>0(x+3)(x-1)/(x+2)(x-3)>0即(x+3)(x+2)(x-1)(x-3)>0所以x<-3或-2<x<1或x>3