Respuesta :

gyiuijgf

Answer:

16

Step-by-step explanation:

marcthemathtutor

Answer:

16

Step-by-step explanation:

For a quadratic equation in the from

x² + Bx = C,

to complete the square, we need to add (B/2)² to both sides

in this case

x² + 8x = 4

we will need to add (8/2)² = 4² = 16 to both sides