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current location:Solving equations online > On line Solution of Monovariate Equation > The history of univariate equation calculation
    -x^2-3x+4=0
    lg(x+1)=0
    22*a^3+65*a^2+63*a+21=0
    12 + 0.035 * 200 = 50 + x * 200
    2x+75%xx5=460
    7.14*(37x)^(5/3)/(2x+37)^(2/3)=668
    110*(1+r)*(1+r)*(1+r)=5*r*r+15*r+125
    x^2-1=2x*lnx
    2*x*0.846/(x+0.846)=0.8047
    110(1+r)*(1+r)*(1+r)=5r*r+15r+125
    2k^2+3k-2=0
    sinx=0
    -16100+7800÷(1+x)+9100÷(1+x)^(2)+5300÷(1+x)^(3)=0
    x^3+2*x^2+6*x+1
    0.189/0.135*280
    1.5 + 0.07 * (12 + 0.035 * (50 + 0.013 * 200)) = x
    [x(1+2x)^2]/[(0.1-x)(1-2x)^2]=10^6.41
    1-x>0
    2*(a-3)=1/3*(2*a-1)
    0.5ln2

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