x²-2x＜8 x²-2x-8＜0 (x-4)(x+2)＜0 -2＜x＜4
x²-2x≥3 x²-2x-3≥0 (x-3)(x+1)≥0 x≤-1或x≥3
∴-2＜x≤-1或3≤x＜4
∴整数解集合﹛-1,3﹜