Respuesta :

Answer:

(x + 8)^2.

Step-by-step explanation:

x^2 + 16x + 64

8 + 8 = 16 and 8^2 = 64 so the factors are

(x + 8)(x + 8) or (x + 8)^2

x^2+16x+64 is a perfect square so by simply finding the square root of 64 we can factor it

The square root of 64 is 8 and as you can see 2*8 is 16 so the middle also works out

(x+8)^2 is the answer