Question

Va rog ajutati-ma rapid !!!!!

Answer 1

x+y= -2 => x= -2-y

xy= -3

x= -2-y

(-2-y)y= -3

x= -2-y

-y^2-2y+3=0 inmultim toata ecuatia cu -1

x= -2-y

y^2+2y-3=0 si aflam pe y

y^2+3y-y-3=0

y(y+3)-(y+3)=0

(y+3)(y-1)=0

y1= -3 si y2 = 1

pt y= -3=> x= -2+3= 1

pt y= 1 => x = -2-1= -3