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current location:Solving equations online > On line Solution of Monovariate Equation > The history of univariate equation calculation
    757.2=40/(1+x)+40/(1+x)^2+800/(1+x)^2
    7x^2+99-90x=10
    x^5-0.4466x-0.2853=0
    x*x*2*4.5=3352.5
    x*x*2*4.5=13410/3
    10%=0.53×(1+x)÷16.20+x
    (1087.05+217.411+x)(1087.05+x)/(434.822-x)=27.18*100*10000
    (1087.05+217.411+x)(1087.05+x)/10000/(434.822-x)/100=27.18
    x+0.05x=3.99
    x+0.03x=3.99
    x*x*2*4.5=17880/3
    18.7^(2)+(r-7.2)^(2)=r^(2)
    x*x*2*4.5=17880
    x^3-3x^2+1
    10/(Z-1)+(10*Z-10)/(9*Z)-(Z-1)/(90*Z)+1=0
    10/(Z-1)+(10*Z-10)/(9*Z)-(Z-1)/(90*Z)=0
    10/(Z-1)+(10*Z-10)/(9*Z)-(Z-1)/(90*Z)+2.1=0
    32*Z^2+57*Z+11=0
    32*Z^2+57*Z+11
    3x^2+6x+8=0

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