X^2 + X^2 - 3Y^2 + 3Y^2 = 22 + 28
2X^2 = 50
X^2 = 25
X1 = 5
X2 = - 5
X^2 - 3Y^2 = 22
25 - 22 = 3Y^2
Y^2 = 1
Y1 = 1
Y2 = - 1
ответ: ( 5 ; 1 ) ; ( - 5 ; - 1 )
