35.25×5.25＋35.25×120×x-5.25×100×x＋x²×12000＋5.25×5.25＝0
    x²＋1＝5
    x(x+10)=112409
    100-20 √ 3/3x+1/3x^2+x^2=196
    x/2023-2/2023+x/2024+x/2025+2/2025=6
    x²＋x＝4
    x²＋x
    8a^3-6a+1=0
    x×lnx-x×ln0.273=0.5528
    x^3-6x^2+16=0
    2^x+3x-7
    101.1+1.011x-x²
    -0.7035x^2+1.6633x+0.0231=0.3332
    (x-5)(x-5)=16
    660a^2-4212a+6471=0
    660x^2-4212x+6471=0
    0.1^x
    0.01lnx+x=-0.0828
    lnx＋100x＝-8.28
    x+lnx＝-0.0828

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