{-11x-4y+79=0
{75y^2-2370=11xy
{-11x-4y=-79
{75y^2-11xy=2370
{-11 x -4y = -79
{y(75y-11x)=2370
{x=((4y-79)/-11)
{ y(75y -11((4y-79)/-11) )=2370
{-11*75y^2 -y(44y+ 869)=2370 *-11
{-825y^2-44y^2-869y= -26070
{ -869y^2-869y+26070 = 0
{ -y^2-y+30=0
{ D=1-4*-1*30=V121 =11
y=(1+11)/-2=-6
y2=(1-11)/-2=5
x=5
x=9
Ответ (5 -6 ) (9 5)