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current location:Solving equations online > On line Solution of Monovariate Equation > The history of univariate equation calculation
    x^7
    28x^2+7x+2=0
    2^(1/2)*e^x*sin(π/4-x)=0
    2^(1/2)*e^x*sin(π/4-x)=0
    arctan(x²)
    1∧x=3
    (X—3)(X—4)
    0.7x*8.314*523*(0.7x+0.1)=27.0382*70*(1-x)*2
    0.7x*8.314*523+0.1=27.0382*70*(1-x)*2
    0.7x+0.1=27.0382*70*(1-x)
    x-x*x*x=3/16
    x*x-5/6x+7/16
    x-x*x*x=1/16
    x/4+4x
    x÷4+4x=
    (x-4)+(x+4)+x/4+4x=625
    (1-1/5)x-(1/5x+30)=3
    1/{1+[(1-x^2)/(1+x^2)^2]}*{[-2x(1+x^2)-2x(1-x^2)]/[(1+x^2)^2]}
    1/{1+[(1-x^2)/(1+x^2)^2]}*{[-2x(1+x^2)-2x(1-x^2)]/[(1+x^2)^2]}
    n²+n=2023

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