Respuesta :

JcAlmighty
The answer is 10.

(a - b)² = a² + 2ab + b²

(-x - 5)² = (-x)² - 2 * (-x) * 5 + 5²
             = x² + 10x + 25
ceajhiagilkes2

Answer:

10

Step-by-step explanation:

its 10 i did the test