Respuesta :

x² + 8x + 3 < 0

use the quadratic formula;

x = -8 + 2√13 / 2, -8 - 2√13 / 2

-4 - √13 < x < -4 + √13  (this is what they're asking as in interval notation)

hope this helps, God bless!

Answer:

-4 - √13 < x < -4 + √13

Step-by-step explanation: