Автор - ttt3394

Решите квадратное уравнение, через дискриминант:
3x^2+2x-1=0

Ответ

Автор - MrSolution
3 {x}^{2} + 2x - 1 = 0 \ sqrt{D} = sqrt{ {2}^{2} - 4 times 3 times ( - 1)} = sqrt{16} = 4 \ x = frac{ - 2 + 4}{6} = frac{1}{3} \ x = frac{ - 2 - 4}{6} = - 1

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