2 задание!!!!)))))))))))

$y^2-10y+24=0$
$D_1=( frac{b}{2} )^2-ac$
$D_1=( frac{-10}{2} )^2-1*24=25-24=1$
$x_1=- frac{-10}{2}+ sqrt{1} =5+1=6$
$x_2=- frac{-10}{2}- sqrt{1}=5-1=4$

$left { {{x=10-4} atop {y=4}} right. left { {{x=6} atop {y=4}} right. or left { {{x=10-6} atop {y=6}} right. left { {{x=4} atop {y=6}} right.$