Question

решите уравнение
$3 {x}^{2} - x - 5 = 0$

Answer 1

$3 {x}^{2} - x - 5 = 0$
D = 1+4*5*3 = 61
$x_{1} = frac{-(-1)+ sqrt{61} }{2*3} = frac{1+ sqrt{61} }{6}$
$x_{2} = frac{-(-1)- sqrt{61} }{2*3} = frac{1- sqrt{61} }{6}$

Ответ: $frac{1+ sqrt{61} }{6}$; $frac{1- sqrt{61} }{6}$