Question

3 x^{2} + 5 x - 2 = 0

Answer 1

$3 x^{2} + 5 x - 2 = 0 \ D=25-4*3*(-2)=49=7^2$

$x_1= frac{-5-7}{2*3}; x_2= frac{-5+7}{2*3}$
$x_1= -2; x_2= frac{1}{3}$