Question

(9a-2b) - (3a+5b) + (4a+7b)​

Answer 1

Answer:

Ans is 10a

step by step :-

first open all the brackets

and then simply

9a-2b-3a-5b+4a+7b. then answer is,

10a

Answer 2

the answer is

10a+10b

we further can't add it as we have to follow the law of exponent.

mark as brainlist.bye.