解不等式:2(X-3)(X-2)-(X+3)²>(X-1)(X+1)
问题描述:
解不等式:2(X-3)(X-2)-(X+3)²>(X-1)(X+1)
化简后求解:
X(2X-3)(2X+3)-(X-3)(X²+9)-(2X²-1)(X+2)
其中X=-2
答
解不等式:2(X-3)(X-2)-(X+3)²>(X-1)(X+1)
2(x²-5x+6)-(x²+6x+9)>x²-1
2x²-10x+12-x²-6x-9-x²+1>0
-16x+4>0
x