Question

y ao quadrado +6x+8=0

Answer 1

 

 

x^2 + 6x + 8 = 0

 

Fatorandp

 

(x + 4)(x + 2) = 0

 

x + 4 = 0                       x1 = - 4

x + 2 = 0                       x2 = - 2

 

S = {- 4, - 2}