-5x^2+44x-96
    2s^3+11s^2+20s+10=0
    s^3+6s^2+9s+54=0
    s^2+2s+1=0
    20-4p=2+6p
    2s^3+11s^2+20s+10=0
    12.1x=（3.5+x）×7.96
    12.1x=（3.75+x）×7.98
    x²-7x+15
    x²+59x+79=103
    x²+16973x=10
    x²+x=10
    x²+x=10
    x²-3x=-180
    x²-3x=-180
    x²-3x=-180
    （0.94+x）／(1.58+x)=0.618
    （1.02+x）／(1.58+x)=0.618
    （1.02+x）／(1.58+x)=0.618
    （0.94+x）／(1.58+x)=0.618

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