Solve equation using quadratic formula

Question

x^2+4x+3=0

is answer 3,1 ?

Answer 1

Remember that it is (-b +/- sqrt (b^2 - 4ac))/2a. Try again using -b.

Answer 2

Im not getting it.

Answer 3

x²+4x+3 = 0
(x+1)(x+3) = 0
x+1=0 or x+3=0
...

Answer 4

Sorry, reread the message from Marth. I didn't notice the requirement to use the quadratic formula.