Question

решите несложно
решить систему уравнений

Answer 1

$left { {{x-y=3} atop {x^2+y^2=29}} right. ; left { {(x-y)^2=9} atop {x^2+y^2=29}} right. ; left { {{x^2+y^2-2xy=9} atop {x^2+y^2=29}} right. ; left { {{29-2xy=9} atop {x^2+y^2=29}} right. \\ left { {{2xy=20} atop {x^2+y^2=29}} right. ; left { {{xy=10} atop {x-y=3}} right. ; left { {{x(x-3)=10} atop {y=x-3}} right. ; left { {{x^2-3x-10=0} atop {y=x-3}} right. \\ left { {{x_1=-2; ,; x_2=5} atop {y_1=-5; ,; y_2=2}} right. \\Otvet:; ; (-2,-5); ,; (5,2); .$