x^2-x-1>0
    x^2-x-1>0 x>=1
    x^2-2x-1>0
    x^2-x+1>0
    4*x+3+1/(2*x)＞-2
    x+2+1/(2*x)＞-2
    4*x+3+1/(2*x)＜2
    x+2+1/2*x＞-2
    x+2+1/2*x＜2
    18+x<=40+45
    （2-x）^2>16
    4-x＾2>16
    4-x2>16
    8-4X>32
    4-2X>16
    -1
    x（x-2）<0
    lnX<1
    0.0001^2-0.089x-7<0
    -x^2+200x-9100≥0

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