What are the solutions of x2+4x=9?

Question 3 options:
−2±13−−√
−2±413−−√
−4±213−−√
−4±13−−√

Respuesta :

Answer:

−2±13−−√

Step-by-step explanation:  one answer for sure

Answer:

−2±13−−√

Step-by-step explanation: