Muniath
7 год назад
3x²-5x-2 = 0 pls pls pls
ОТВЕТЫ
Vozhandev
Aug 16, 2019
3х^2 - 5x - 2 = 0
D = 25 - 4 (-2) *3 = 25 + 24 = 49; √D = 7
x1 = (5 + 7) / (3*2) = 12/6 = 2
x2 = (5 - 7) / 6 = - 2/6 = - 1/3
Ответ: х1 = 2
х2 = - 1/3
D = 25 - 4 (-2) *3 = 25 + 24 = 49; √D = 7
x1 = (5 + 7) / (3*2) = 12/6 = 2
x2 = (5 - 7) / 6 = - 2/6 = - 1/3
Ответ: х1 = 2
х2 = - 1/3
49
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