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current location:Solving equations online > On line Solution of Monovariate Equation > The history of univariate equation calculation
    (x-7)*(9x-4)
    27x^2-129x+84=0
    4*(12.5a)^2+60*12.5a+900=1225*a^2
    x^2-x+1=0
    x²-1.5x-9
    x*1/ex
    7x^2-28x+1=0
    sqrt((6800+x)^2+x^2)-(6800+x)=52.1
    sqrt((6800+x)^2+x^)-(6800+x)=52.1
    10X-X=32.13
    5x6
    -0.5x²+36x-650=0
    x²-72x+1280
    -11/3+x=(2+16/9-x)*(2+16/9-x)-4*(2+16/9-x)+3
    -11/3+x=(16/9-x)*(16/9-x)-4*(16/9-x)+3
    -0.13*x+0.45*x=39000
    (20-x)(99+10x)=1980
    -0.1*x+0.45*x=39000
    2a^2-[2-2^(1/2)]a+5/2{[a^2-2a+3][a^2-a^(1/2)]+2}=2^(1/2)
    18x+1.5x^2=96

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