N^6-(2*1-8)*N^5+(1^2+7*1+67/2)*N^4+(6*(1^2)-37/2*1-287/4)*N^3+(5*(1^2)-211/4*1+595/16)*N^2-(12 * (1^2) -337/4*1+1793/16)*N+(4*(1^2)-55/2*1 +5053/64)>0
    N^6-(2*0-8)*N^5+(0^2+7*0+67/2)*N^4+(6*(0^2)-37/2*0-287/4)*N^3+(5*(0^2)-211/4*0+595/16)*N^2-(12 * (0^2) -337/4*0+1793/16)*N+(4*(0^2)-55/2*0 +5053/64)>0
    (x-2）(x+3)(x+4)(x-1)＞0
    X^6>0
    3x²－12x＋12＞0
    3x²－12x＋12＜0
    x²＋6x＋10＞0
    3x²-6x＋2＞0
    3x²-6x＋2＜0
    x^3-3x+4>0
    3x²－5x＋1≤0
    abs（x^2-3x）＜4
    absx^2-3x＜4
    absx^2-3＜4
    17.5x>50(x-3)+20
    a*a-2+a＜0
    a*a-a-2＜0
    a*a+a-2＜0
    a*a+5a+4＜0
    2x²-x+1≤0

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