Mathematics
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current location:Solving equations online > On line Solution of Monovariate Equation > The history of univariate equation calculation
    (-3.506316885*0.2^2+3.129724654*0.2+1/0.996*0.81x/179.9877669)^2.4+(0.8x/164.8339042)^2=1
    300/x=300/1.5x+0.5
    300/1.5x-300/x=0.5
    300/x-450/x=0.5
    sqrt(2-sqrt(2+x))=x
    2-x=2*x*x+x*x*sqrt((2+x))
    1/(1+exp(−(2b0)))=1/2
    arctan(3.49x)-arctan(0.2x)-arctan(0.0625x)=0
    arctan(3.49x)-arctan(0.2x)-arctan(0.0625x)=0
    arctan(3.49x)-arctan(0.2x)-arctan(0.0625x)=90
    arctan(3.49x)-arctan(41.5x)-arctan(0.2x)-arctan(0.0625x)=-90
    -arctan(0.2x)-arctan(0.0625x)=-40
    arctan(0.2x)-arctan(0.0625x)=-40
    xtanx=4.285714286
    (3578.5-400)*((1+x)^25-1)/x/(1+x)^25/(1+x)^25-4205-4169/(1+x)-4254/(1+x)^2-4127/(1+x)^3-3521/(1+x)^4=0
    (4210-400)*((1+x)^25-1)/x/(1+x)^25/(1+x)^25-4625.5-4585.9/(1+x)-4679.4/(1+x)^2-4539.7/(1+x)^3-3873.1/(1+x)^4=0
    (4210-400)*((1+x)^25-1)/x/(1+x)^25/(1+x)^25-4205-4169/(1+x)-4254/(1+x)^2-4127/(1+x)^3-3521/(1+x)^4=0
    xtanx=1.428571429
    xtanx=2.857142857
    x^5-0.0242×0.000625x^2-0.05×0.0242x-0.0242 = 0

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