Question

. (a + b)2 – (2a – b)

Answer 1

Answer:

(-b) is the answer.

Step-by-step explanation:

2(a-b)-(2a-b)

=2a-2b-2a+b (opening the brackets)

= -b

Hope this helps you buddy. Have a nice day^_^.

If you have doubt then you can ask in comments. I will surely answer.

Answer 2

Answer:

3b

Step-by-step explanation:

=2a +2b-2a+b

=3b

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