Question

[2x² + y = 9,
3x2 - 2y = 10.​

Answer 1

Ответ:

x1=2 y1=1 x2=-2 y2=1

Пошаговое объяснение:

$left { {{2x^2+y=9} atop {3x^2-2y=10}} right. \left { {{4x^2+2y=18} atop {3x^2-2y=10}} right. \7x^2=28\x^2=4\x_1=2\x_2=-2\\y_1=9-2*(2^2)=9-8=1\y_2=9-2*(-2)^2=9-8=1$