解不等式﹙x+1﹚²+3﹙x-1﹚-4>0

问题描述:

解不等式﹙x+1﹚²+3﹙x-1﹚-4>0

﹙x+1﹚²+3﹙x-1﹚-4>0
x²+2x+1+3x-3-4>0
x²+5x-6>0
(x-6)(x+1)>0
x>6或x