x^2+x^100+20<0
    5x^2+x^100+20<0
    5x^2+x^100+2000<0
    5x^2+x^100+2000>0
    55x^2+x^100+2000>0
    x^100000666+x^100+2000>0
    4x^2+x<0
    4x^2+5x<0
    4x^2+5x<0
    45454x^2+5x<0
    45454x^2+5x<0
    99999999945454x^2+5x<0
    99999999945454x^2+5x>0
    x^2+5x>0
    X^10000000000+x^10000+1000>0
    X^4+X^3+X2^1+1>0
    X^2+2X+5>0
    X+5>0
    ex+sinx+cosx>2
    ex+sinx+cosx>2

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