Question

x^2+8x+15 factorii .......................

Answer 1

a=1
b=8
c=15

Delta=B la patrat - 4ac
delta = 8^2-4*1*15
delta=64-60=4

x1=-8+2 supra 2=  -6 supra 2= -3

x2=-8-2 supra 2 = -10 supra 2 =-5

Rezultat final (x+3)(x+5)