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current location:Solving equations online > On line Solution of Monovariate Equation > The history of univariate equation calculation
    (52-x)(48-x)=2300
    arctan(10*(x^2))-arctan20x=30
    arctan(x^3/5)-arctan2x=50
    arctan(x^3/5)-arctan2x=30
    arctan(x*(5^(1/3)))-arctan(2*(5^(1/3)))=30
    arctan(10x)-arctan(2x)=30
    arctan100x-arctan2x=30
    arctan100x-arctan2x=30
    x^2+2.13x+7.95=0
    3.14/(x(1-0.378^2)^0.5)=1.2
    x/19.5-x/21=1/20
    109.1/2+3.45x/2=168
    54.55+3.48x/2=168
    109.1/4.52x=168
    109.1/4.52x
    150/0.65/250=4/22+1/(22x)+6/(13x)+3/(4x)+6/(5.5x)
    250=0.8*0.4^2/(1.05^2*X^2)*521.5/(0.25*3.14*0.4^2)+0.9*(1-0.4^2/(1.05^2*X^2))*100
    x^3+8x^2+18x+16=0
    x^3+8x^2+18x+16=0
    x^3+8x^2+18x+16=0

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