Question

Решите уравнение
3x²-14x-5=0

Answer 1

$D=196+60=256= 16^{2} \ x_{1}= 5; x_{2}= - frac{1}{3}$

Answer 2

$x = frac{ - ( - 14) + - sqrt{( - 14) {}^{2} - 4 times 3 times ( - 5) } }{2 times 3} = frac{14 + - sqrt{256} }{6} \ x1 = frac{14 + 16}{6} = 5 \ x2 = frac{14 - 16}{6} = - frac{1}{3}$