ДАЮ 20 БАЛЛОВ!
РЕШИТЕ УРАВНЕНИЕ:
[tex] \frac{1}{2} x^{2} - \frac{1}{2} = \frac{1}{6} x(x+5)[/tex]
РЕШИТЕ УРАВНЕНИЕ:
[tex] \frac{1}{2} x^{2} - \frac{1}{2} = \frac{1}{6} x(x+5)[/tex]
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Answers & Comments
1/3x^2-5/6x-1/2 = 0 (умножаем все на 6)
2x^2-5x-3 = 0
D = 5*5-4*2*(-3) = 49
x1 = (5+7)/4 = 3
x2 = (5-7)/4 = -0.5