Question

Пожалуйста помогите решить...

Answer 1

x²-3y = 22
x+y = 2

x²-3y = 22
y = 2-x

x²-3*(2-x) = 22
y = 2-x

x²-6+3x = 22
y = 2-x

x²+3x -28 = 0
y = 2-x

x1 = -7, x2 = 4
y1 = 2-(-7), y2 = 2-4

x1 = -7, x2 = 4
y1 = 9, y2 = -2