2(x-3)(x-2)-(-x-3)^2>(x-1)(x+1)2（X²-5x-6）-（-x²-9+6x）＞x²-12x²-10x-12+x²+9-6x＞x²-13x²-16x-3＞x²-12x²-16x-3＞12x²-16x＞4x²-8x＞2