Question

$2 x^{2}-62x+385=0$

Answer 1

$D=62^2-4*2*385=3844-3080=764 \ x_1= frac{62+ sqrt{764}}{2*2}= frac{62+2 sqrt{191}}{4}=frac{31+sqrt{191}}{2} \ x_2= frac{62- sqrt{764}}{2*2}= frac{62-2 sqrt{191}}{4}=frac{31-sqrt{191}}{2}$