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15.6*10^-15*x^3-(5*10^-7*x)+0*x^2+0 = 0;x
x
15.6*10^-15*x^3-(5*x)+0*x^2+0 = 0;x
x
3.9*10^-15*x^2-(2.5*10^-7*x)+1
3.9*10^-15*x^4-(2.5*10^-7*x^2)+1
15*((8*62)/3)
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