-6x2-x+1≤0
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-6x2-x+1≤0-6x2-x+1≤0-6x2-x+1≤06x²+x-1≥0(3x-1)(2x+1)≥0x≥1/3,x≤-1/2俊狼猎英团队为您解答-6x2-x+1≤06X^2+X-1≥0
-6x2-x+1≤0
-6x2-x+1≤0
-6x2-x+1≤0
6x²+x-1≥0
(3x-1)(2x+1)≥0
x≥1/3,x≤-1/2
俊狼猎英团队为您解答
-6x2-x+1≤0
6X^2+X-1≥0
(2X+1)(3X-1)≥0
化为两个不等式组解得：
X≥1/3或X≤-1/2。
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6x^2+x>=1
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