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    2X^3-X^2-3X-1=0
    20x=500
    6x-35=13
    X∧2-9.5X+22.4=0
    x-1/4x-1/4x*1/5=30
    x-1/4x-1/4x*1/5=30
    5(p+3)×(-p-5+3/p)=1.2
    5p^3+40p^2+54p-45=0
    x^5-5x^4+2x^3-5x^2+3x-1=0
    cscx
    -x²+17x=70
    1=3.14^2*x^4/64+1/x^2
    4*x ^2/[(2+x)*(1-x)]=0.155
    4.4786=((30.56*0.847(x+0.1))/(1+0.847(x+0.1))*((100-8.28-1.4)/100)*(1/(1+0.31*1.4)+((2.26(x+0.1))/(1.3*0.101325))
    3.14^2*x^2+32/(x)^2=32
    sin(2*x)-sin(x) = 0
    sin(2*x)=0
    x(3—2x)=1600
    4×t^2-4×t+0.327=0
    x^2-16.9x+69.6=0

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