15x^2-15<16x
    25x^2<55x-18
    -x-72<-x^2
    28<-3x^2-25x
    5x^2-24x+16<0
    -2x^2<-10x-48
    6x^2+23x<-20
    32<-6x^2-28x
    -2x^2-5x<2
    -9x^2<27x+14
    12x^2<48
    11x+6<-3x^2
    12x^2<-36x-24
    -6x^2+16<4x
    0<-2x^2-x+36
    34x+9<8x^2
    12x^2-26x<16
    0<3x^2+22x-16
    5x^2-12<-17x
    -64x<15x^2+64

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