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current location:Solving equations online > On line Solution of Monovariate Equation > The history of univariate equation calculation
    (-1)*90-arctan(x)+arctan(0.507*x)-arctan(0.078*x)=-1*180
    -90-arctan(x)-arctan(0.078*x)+arctan(0.507*x)=-180
    11280.15=(220*63-x)*0.95+8*63
    arctan(0.2*x)+arctan(0.01*x)=60
    x²+1/x²
    4.3188=((30.56*0.847(x+0.1))/(1+0.847(x+0.1))*((100-8.28-1.4)/100)*(1/(1+0.31*1.4)+((2.26(x+0.1))/(1.3*0.101325))
    3.6904=((30.56*0.847(x+0.1))/(1+0.847(x+0.1))*((100-8.28-1.4)/100)*(1/(1+0.31*1.4)+((2.26(x+0.1))/(1.3*0.101325))
    x^3-2x+1=0
    x^4-6x^2-9=0
    50*10^3=0.14*1000*2/3*x
    50*10^6=0.14/6*1000*x*x
    (21x-7)*(1+1.16x)=2.16x
    0.162X^2+2X-1=0
    x^3+10x^2+27x+38=0
    π^2x^4-64x^2+64=0
    p×p+2p×7÷10=32÷100
    y×y+2×0.577y=9÷30
    y×y+0.577×2y=8÷30
    x×x+2×0.577x=3÷30
    x×x+1.154x=0.2667

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