x*+2x+y*=16 x+y=2 x=2-y (2-y)* + 2(2-y) + y*=16 x=2-y 4-4y+y*+4-2y+y*-16=0 x=2-y 2y*-6y-8=0 x=2-y y*-3y-4=0 y*-3y-4=0 по т Виета y1=4 y2= -1 x1= 2-4 = -2 x2 = 2-(-1) = 3