Respuesta :

Answer:

Step-by-step explanation:

x^2 -4x - 9 = 29

x^2 - 4x = 37

x = 2 ±[tex]\sqrt{42}[/tex]

Answer:

x = 2 ± [tex]\sqrt{42}[/tex]

Step-by-step explanation:

x^2 -4x - 9 = 29

x^2 - 4x = 37

x = 2 ± [tex]\sqrt{42}[/tex]