Question

решите графически систему уравнений y = x^2-4 2x+y+1=0​

Answer 1

$\left \{ {{y=x^2-4} \atop {2x+y+1=0}} \right. \\\\\left \{ {{y=x^2-4} \atop {y=-2x-1}} \right.$

Ответ: (-3;5), (1;-3)