Question

2 задание ПОМОГИТЕ!!!!!!!!!!!

Answer 1

$2x^2+mx-n=0\\ left { {{x_1+x_2=6} atop {x_1cdot x_2=-8}} right. \\Po; tepreme; Vieta; :; left { {{6=-m/2} atop {-8=-n/2}} right. ; left { {{m=-12} atop {n=16}} right.$