解不等式:(2x-3)²+(1+3x)²>13(x²-2)
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解不等式:(2x-3)²+(1+3x)²>13(x²-2)
解不等式:(2x-3)²+(1+3x)²>13(x²-2)
解不等式:(2x-3)²+(1+3x)²>13(x²-2)
(2x-3)²+(1+3x)²>13(x²-2)
4x^2-12x+9+1+6x+9x^2>13x^2-26
-6x>-36
6x<36
x<6