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C=1*10^(-8), solve x^4 + (4.45*10^(-7)+C)*x^3 + (4.45*10^(-7)*4.70*10^(-11)-1*10^(-14))*x^2 - 4.45*10^(-7)*(C*4.70*10^(-11)+1*10^(-14))*x - 4.45*10^(-7)*4.70*10^(-11)*1*10^(-14) = 0
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