Question

[2x² + y = 9,
3x2 - 2y = 10.​

Answer 1

Ответ:

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

Пошаговое объяснение:

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