Respuesta :
Step-by-step explanation:
x² + 16x + 63 = 0
x² + 16x = -63
To complete the square, add (16/2)² = 64 to both sides.
x² + 16x + 64 = -63 + 64
(x + 8)² = 1
Step-by-step explanation:
x² + 16x + 63 = 0
x² + 16x = -63
To complete the square, add (16/2)² = 64 to both sides.
x² + 16x + 64 = -63 + 64
(x + 8)² = 1