Ответ:
x1*x2=c/a
x1+x2=-b/a
a) x=(5+-√(25-24))/6=(5+-1)/6
x=1 x=2/3
-7+-√(49+24)/4
(-7+√73)/4>0
(-7-√73)/4<0
|(-7-√73)/4|>|(-7+√73)/4|