Respuesta :

861067

Answer:

9. 5y

10. 6x^2 + 4x^2 + 4 * (-1) = 10x^2 - 4

11. 2a^5 + 4b + b = 2a^5 + 5b

12. 14- 12= 2

8m + 2 + 4n = 8m + 4n +2

Step-by-step explanation:

8m + 2 + 4n=8m + 4n + 2 Thad the answer