Question

How to solve this
5a2-7ab+5bs from 3ab-2a2-2b

Answer 1

Answer:

= (3ab-2a²-2b)-(5a-7ab+5b)

= 3ab-2a²-2b-5a+7ab-5b

= 10ab-2a²-5a-7b

Answer 2

Answer:

3ab-2a2-2b-(5a2-7ab+5bs)

then we change the signs we put opposite sign of the bracket value

like that

10ab-7a2-2b-5a2

this is the answer