Respuesta :

Answer:

X^2 + 10X + 25

Step-by-step explanation:

(X + 5)^2 = (X+5)(X+5)

use FOIL = First Outside Inside Last

X * X, then X * 5, then X * 5 then 5 * 5 =

X^2 + 5X + 5X + 25 =

X^2 + 10X +25