Question

if x=k be a solution of the quadratic eauation x^2+4x+3=0 the k is
a. 2
b. -3
c. 3
d. -2​

Answer 1

Answer:

b

Step-by-step explanation:

x(x+1)+3(x+1) =0

(x+1)(x+3)=0

x=-3 , x=-1