Question

If x = k be a solution of the quadratic equation x2 + 4x + 3 = 0, then k =
a. 2
b.-3
c. 3
d. - 2.

Answer 1

Answer:

k =

b.-3

If k = -3

-3² + 4×-3 + 3 =0

9 - 12 + 3 =0

-3 +3 =0

0 =0

hope it helps you