Question

3x^2 + 13x = 2x^2 - x -49

x^2 - 23x = 83

Answer 1

$3 x^{2} -2x-8=0$
$D=4+4*3*8=100$
$x_{1} = frac{2+10}{6} =2$
$x_{2} = frac{2-10}{6} =- frac{8}{6}=- frac{4}{3}=-1 frac{1}{3}$