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kates2013
@kates2013
July 2022
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Найти квадратные корни с уравнения: 2х-х^2+3
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witch2
Verified answer
2х-х^2+3=0
D = 2^2 - 4*(-1) * 3 = 4 + 12 = 16 = 4^2
x1 = - 2 + 4 / -2 = 2/ -2 = -1
x2 = - 2 - 4 / -2 = - 6 / -2 = 3
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Answers & Comments
Verified answer
2х-х^2+3=0D = 2^2 - 4*(-1) * 3 = 4 + 12 = 16 = 4^2
x1 = - 2 + 4 / -2 = 2/ -2 = -1
x2 = - 2 - 4 / -2 = - 6 / -2 = 3