Решите систему уравнений x^2+y=5 6x^2-y=2
X² +y = 5 6x² -y = 2 + x² +y +6x² -y = 5+2 7x² = 7 x² = 7/7 x² = 1 x = 1 x = -1 y = 5 - x² x = 1 y = 5 -(1)² = 5-1 = 4 x = - 1 y = 5 -(-1)² = 5 -1 = 4 x = 1 y = 4 x = -1 y = 4