Mathematics
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    x^2-3x+2/x^2-2x-3≤0
    x-3/2x>0
    x((60-12x)/25)>72/25
    2x*x-5x-3>0
    2x*x-3x≤0
    (X+2)(X-1)<0
    (X+2)(X-7)<0
    (X-3)(X-5)≥0
    1+1/(x-5)>0
    sqrt(4x-x^2)<x
    1/6*(7x-2)-(3x-1)/2-(1+2x)/3 > 1
    2a²-a+4<0
    (2x-3)(4-x)<0
    x²+5x>-6
    2x-3>4(x+5)
    x^2-1<-x
    x^2-1+x<0
    -1<x^2-1<1
    x+0.5<1/(x-1)
    (2x^2-x-3)/(x-1)<0

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