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current location:Solving equations online > On line Solution of Monovariate Equation > The history of univariate equation calculation
    m*m-3m-8=0
    2640=[X*(0.9-0.4)-(4000+2000+1200)]*(1-25%)
    [X*(0.9-0.4)-(4000+2000+1200)]*(1-25%)=2640
    [X*(0.9-0.4)-(400+200+1200)]*(1-25%)=2640
    2640=[X*(0.9-0.4)-(400+200+1200)]*(1-25%)
    2640=X*0.5-7200*0.75
    X÷5000-1.5X÷6000=2
    1/√x=1.74-2lg(0.01+18.7/22031*√x)
    X÷5000-1-5X÷6000=2
    x²+(2√2)²-2*2√2 *x*cos30=4
    (628-X)/X=70%
    x^2-2x-2=0
    x^2-2x-2=0
    x^2-2x-3=0
    520*1000000=13.8*x*456*(420-x/2)+13.8*(1000-456)*100*(420-100/2)
    520*100000=13.8*x*456*(420-x/2)+13.8*(1000-456)*100*(420-100/2)
    470.06*1000000=13.8*x*435*(780-x/2)+13.8*(1000-435)*130*(780-130/2)
    256(1+x)=400
    9^(n+1)-3^3n=72
    470.6=13.8*435x*(780-0.5x)+13.8*(1000-435)*130*(780-0.5*130)

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