Question

(X elevado a 2) (x elevado a 2+ 5x)

Answer 1

X²+5x=0

a=1 b=5

∆=b²-4ac

∆=5²-4*1*0

∆=25

x=-b±√∆ /2a

x1=-5+√25 /2*1

x1=-5+5/2

x1=0

x2=-5-5/2

x2=-10/2

x2=-5

S={0;-5}