Respuesta :

B. 7a^2b-4ab^2-ab+10a

Answer:

7a^2b-4ab^2-ab+10a

Step-by-step explanation:

(12a^2b+8a-5a^2b+2ab)-(4ab^2+6ab-2a-3ab)

12a^2b+8a-5a^2b+2ab-4ab^2-6ab+2a+3ab

(12a^2b-5a^2b)+(-4ab^2)+(2ab+3ab-6ab)+(8a+2a)

7a^2b-4ab^2-ab+10a