Respuesta :

7. 36c^2 - 20c^2 - 32c
8. 5y^2 + 17y - 12
9. 5s^3 + 32s^2 - 13s - 10
10. 16p^2 - 1
11. w^2 - 10w + 25
12. 4b^2 + 12b + 9

have a wonderful day! if you need me to explain the steps for all of them in the comments! :)