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D( x )
x+46 = 0
x+46 = 0
x+46 = 0
x+46 = 0 // - 46
x = -46
x in (-oo:-46) U (-46:+oo)
0.2771 = 23/(x+46) // - 23/(x+46)
0.2771-(23/(x+46)) = 0
0.2771-23*(x+46)^-1 = 0
0.2771-23/(x+46) = 0
(0.2771*(x+46))/(x+46)-23/(x+46) = 0
0.2771*(x+46)-23 = 0
0.2771*x-10.2534 = 0
(0.2771*x-10.2534)/(x+46) = 0
(0.2771*x-10.2534)/(x+46) = 0 // * x+46
0.2771*x-10.2534 = 0
0.2771*x-10.2534 = 0 // + 10.2534
0.2771*x = 10.2534 // : 0.2771
x = 10.2534/0.2771
x = 37.00252616
x = 37.00252616
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