Question

Помогите дам 20 балов

Answer 1

$left { {{x^2+q^2=29} atop {x^2-q^2=21}} right. \ left { {{x^2=29-q^2} atop {29-q^2-q^2=21}} right. \ left { {{x^2=29-q^2} atop {q^2=4}} right. \ left { {{q^2=4} atop {x^2=25}} right. \ left { {{x_{1}=2 } atop { q_{1}=5}} right. left { {{x_{2}=-2 } atop { q_{2}=-5}} right. left { {{x_{3}=2 } atop { q_{3}=-5}} right. left { {{x_{4}=-2 } atop { q_{4}=5}} right.$