contestada

Theo started to solve the quadratic equation (x + 2)2 - 9 = -5. He added 9 to both sides and the resulting equation was
(x + 2)2 = 4. Next, he took the square root of each side.
Which was the resulting equation of that step?

Respuesta :

mathstudent55

Answer:

[tex] x + 2 = \pm \sqrt{4} [/tex]

Step-by-step explanation:

(x + 2)^2 - 9 = -5

Add 9 to both sides.

(x + 2)^2 = 4

Take the square root of both sides.

[tex] x + 2 = \pm \sqrt{4} [/tex]

Answer:

A

Step-by-step explanation:

ed 2020

Otras preguntas