Respuesta :
y² + 16y + 64 = 0
We know a² + 2ab + b² = (a + b)²
So,
(y)² + 2 x 8 x y + (8)² = 0
(y + 8)² = 0
y = -8
Correct option A
We know a² + 2ab + b² = (a + b)²
So,
(y)² + 2 x 8 x y + (8)² = 0
(y + 8)² = 0
y = -8
Correct option A