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current location:Solving equations online > On line Solution of Monovariate Equation > The history of univariate equation calculation
    3.5x^2-11x-7.5=0
    3x^2+8x+5=0
    3x^2+4x+2=0
    x²+5x-2250=0
    (x-360)[160+2(480-x)]=20000
    2x^3+26.1x^2+80.4x+4=0
    x^3+4x^2-x+20=0
    (12962-X*0.03/1.03)*1.12=229000-X
    (25-2x)(40-2x)=450
    2254725*((1+x)^-30) = 750000*((1+x)^18 )
    1802100*((1+x)^-40)=750000*((1+x)^8
    xx+6x-4=0
    (x-(8+7*x-x^2)/(x^2-2*x-3))^2+(3/2*x-1/2*x+(8+7*x-x^2)/(2*x^2-4*x-6))^2=(2*x-1/2*x^2)^2
    12.06x=(3.5+x)×7.97
    2383126*((1+x)^-20) = (50000*((1+x)^15-1)/x)*(1+x)^12
    2383126*((1+x)^-30) = (50000*((1+x)^15-1)/x)*(1+x)^12
    2383126*((1+x)^-30)=50000*((1+x)^15-1)/x*(1+x)^12
    2126153*((1+x)^-25) = (50000*((1+x)^15-1)/x)*(1+x)^7
    1882963*((1+x)^-30)=(50000*((1+x)^15-1)/x)*(1+x)^2
    2126153*((1+x)^-25)=(50000*((1+x)^15-1)/x)*(1-x)^7

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