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
解不等式:2(X-3)(X-2)-(X+3)²>(X-1)(X+1)
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
化简后求解:
X(2X-3)(2X+3)-(X-3)(X²+9)-(2X²-1)(X+2)
其中X=-2
数学人气:786 ℃时间:2020-03-17 13:08:31
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