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current location:Solving equations online > On line Solution of Monovariate Equation > The history of univariate equation calculation
    801.67t^3+12.63t^2-1.81=0
    4899xx-1077780x-14190000=0
    Xx-220x-2633=0
    (a-80)[400-20(a-90)]=4000
    (a-80)[400-20(90-a)]=4000
    x^2-150x+1600=4000
    ex+e-x
    xxx-3xx-9x-5=0
    x^2=3x-1
    x*e^(x+1)-1=0
    105=(n+1)/2×n
    960x=1350(x-3)-3750
    3x-91=1/3(91-x)-x
    3x-91=1/3(91-x)-1
    20000-x=126500/13
    104.4x=103.6(20000-x)
    x+3÷x
    x+x÷3
    n*(n+1)=1000000000
    4899xx-1077780x-12900000=0

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