Respuesta :

Step-by-step explanation:

1. x^2 + 10x + 25

2. x^2 - 25

.........

Answer:

Step-by-step explanation:

1. x^2 + 10x + 25

2. x^2 - 25

3. x^3 + 15x^2 + 75x + 125

4. x^2 + 2xy + 2xz + y^2 + 2yz + z^2