(x+3):(2x-1)>0
    -9<-1:2x^2-x-3:2<-3
    9x^2+12x+4<0
    9x^2+12x+4<=0
    -4x^2+6x-3>0
    x^2+6x-16>0
    2x^2+4x+5>0
    x^2-3x-1>0
    m+2-sin(2m+1)-sin(1-m)>0
    -x^2+2x+3>0
    x^2+2x-3≤0
    -6≤x^2-x-6<6
    (x+2)(x-1)≥(2x+1)(x-2)
    (x+2)(x-3)<6
    abs2x-3<3x+1
    (0.5-x)(1.5(1+0.5x%))≥0.75
    (0.5-x)(1.5(1+0.5x%))≥1.5
    (1-x)(1.5(1+0.5x%))≥1.5
    x-50-(100+x)*1% >10
    x-50-(100+x)*1% >10

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