Question

please give answer............​

Answer 1

Answer:

Step by step explanation in attachment

Answer 2

Step-by-step explanation:

(-7$a^{2}$b+9+-3a$b^{2}$+2)-10$a^{2}$b+4a$b^{2}$

-7$a^{2}$b+11+-3a$b^{2}$-(10$a^{2}$b+4a$b^{2}$)

-17$a^{2}$b-7a$b^{2}$+11

Hope It Helps.....................