Решить систему уравнений { 2х-у = 5; { х^2 + у + 2 = 0

[latex] \left \{ {{2x - y = 5} \atop { x^{2} + y + 2 = 0}} \right. [/latex] [latex] \left \{ {{y = 2x - 5} \atop { x^{2} + 2x - 5+ 2 = 0}} \right. [/latex] [latex] \left \{ {{y = 2x - 5} \atop { x^{2} + 2x - 3= 0}} \right. [/latex] [latex] \left \{ { \left \{ {{ x_{1} = 1} \atop { y_{1} = -3 }} \right. } \atop { \left \{ { x_{2} = -3 } \atop { y_{2} = -11}} \right. }} \right. [/latex]