X^2+6X+10
    96/x＋72/6x=27
    x^2+30x-9=0
    x-865228-12924-(x/10000*58.51*12)-(x/.85*.01)=0
    x^2-36x+325=0
    865228=x-x*58.51*12-12924-x/.85*.01
    x^2-36x+320=0
    700（x+1）^2=1008
    5x^2+11x-67=0
    sin(2x)+0.4*3.14-2x=0
    K=2334+70.02+0.01K+77.48+0.0003K+496.3+0.0021K+0.0529K
    K=3121.5+93.65+0.01K+103.82+0.0003K+663.79+0.0021K+0.0529K
    V=2286.47+80+70.99+0.01V+148.64+0.0003V+517.22+0.0021V+0.0529V
    （X*92%）+（X*92%*6%）=37409.89
    5x+8=98
    x^2/0.05-x=5.68×10^-10
    782*x+720*（8-x）=6132
    x^x*(ln(x)+1)=5
    24-3x=26.25-5.25x
    (x*92%)+(x*92%*6%）=9217330

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