Question

Решите систему уравнений.

Answer 1

$\left \{ {{x+y=2} \atop {x*y=-24}} \right. \\\\\left \{ {{y=2-x} \atop {x*(2-x)=-24}} \right.\\\\\left \{ {{y=2-x} \atop {2x-x^{2} +24=0}} \right.\\\\\left \{ {{y=2-x} \atop {x^{2}-2x-24=0 }} \right. \\\\\left \{ {{y=2-x} \atop {\left[\begin{array}{ccc}x_{1}=-4 \\x_{2}=6 \end{array}\right }} \right.\\\\\\\left[\begin{array}{ccc}\left \{ {{x_{1}=-4 } \atop {y_{1}=6 }} \right. \\\left \{ {{x_{2}=6 } \atop {y_{2} =-4}} \right.\end{array}\right$