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valeriy965
@valeriy965
July 2022
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5х(в квадрате)+8х-13
3х(в квадрате)+13х-10
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Pantherа
3х^2 + 13x - 10 = 0
D = 169 +120 = 389 = 17^2
x1 = (-13 + 17) / 2 = 4/2 = 2
x2 = (-13 - 17) / 2 = -30/2 = -15
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Answers & Comments
D = 169 +120 = 389 = 17^2
x1 = (-13 + 17) / 2 = 4/2 = 2
x2 = (-13 - 17) / 2 = -30/2 = -15