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current location:Solving equations online > On line Solution of Monovariate Equation > The history of univariate equation calculation
    arctan(x)=90
    x^2+9x-64=0
    x^2+17.64x-81=0
    -0.0107*x^2+0.1144*x+0.004=0.285
    (9÷16x-20)-(7÷16x-10)=8
    (9*16x-20)-(7*16x-10)=8
    (20-x)*(120+20x)=0
    0.0004x^4-0.0036x^2-0.0196x^2+0.1208=0
    x+7/40x=235
    2530×10^6=13.8×1300x×(897-x÷2)
    [0.1*0.999/(0.999+1)]+x-10^-14/x=0.1/(0.999+1)*(1.4*5.4*10^(-9)+1.4*10^(-2)*x)/(1.4*5.4*10^(-9)+1.4*10^(-2)*x+x^2)
    2530×10^6=13.8×1500x×(1176-x÷2)
    x^2-2352x+244444=0
    95=6/1+y+106/(1+y)^2
    (3.39-2.88)+(2.38-1.9)=(2.88-2.38)+(1.9-x)
     36*(1+5/4m)+20*(1-m)(1+3/2m) = 56(1+13/14m)
    36*(1+5/4m)+2*(1-m)(1+3/2m)=56(1+13/14m)
    24.75=(2.88-2.38+1.9-x)/4×0.01
    tanx=x
    sinx=2

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