相当于
x^2-5x >6或x^2-5x 如何解..??我知道会得你写的结论...我想知道最後答案是如何得出的...1. x^2-5x-6>02. x^2-5x+6<0(1)出:x1=-1 , x2=6(2)出:x1=2 , x2=3之後答案是????_这不是有两个不等式吗?解x^2-5x-6>0得x>6或x<-1解x^2-5x+6<0得2
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