Question

x²+4x+3=0
=(x+3) (x+ )
( )( )​

Answer 1

x²+4x+3=0

(x+3) (x+1) =

x + 3 = 0       x + 1 = 0

x = - 3         x = - 1

CS = ( -3; -1)

Eternamente axllxa