Question

14у+у во второй степени+48=0

Answer 1

y^2+14y+48=0
y=(-14+-2/2)
y2=-6
y1=-8

Answer 2

D=196-(4*48)=196-192=4
y1= (-14+2)/2= -6
y2= (-14-2)/2= -8

Ответ: y1= -6
            y2= -8