Решите систему уравнений x^2-y=0 x+y-6=0

X^2 - y = 0
x + y - 6 = 0
+

x^2 + x - 6 = 0
D = 1 + 24 = 25
x1 = ( - 1 + 5)/2 = 4/2 = 2
x2 = ( - 1 - 5)/2 = - 6/2 = - 3

x1 = 2
y1 = 4

x2 = - 3
y2 = 9

ответ
( - 3; 9) ; (2; 4)