Mathematics
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    50*(1+x)²=32
    14.4x=2^(x+1)-1
    X(34-2X)=140
    14.4x=2^(x+1)-1
    x^3-3x^2+7
    cot(315)
    2(x-2)-(3x-1)=2(1-x)
    3(2x+5)=2(4x+3)-3
    3(2x+5)=2(4x+3)13
    1/10xx+2x-90=0
    10/1x*x+2x-90=0
    -3/4x+3/4x=x^2-4 x+3
    7.2/(1-x%)=9
    3/(2*x)*(1/(2*x)-1/tan(2*x))=-1
    x^x/1
    7.2/(1-x%)=8.5
    x^2-4 x+3=-4/3x+4/3
    tanx=3.464/5
    x^2-4 x+3=4/3x-4/3
    tanx=3.464/5

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