Question

-a[a+{a+b-2a-(a-2b)}] plz solve step by step​

Answer 1

Answer:

-2a2 + ab

Step-by-step explanation:

-a [a+ b - 2a- a- 2b]

-a [ 2a - b]

-2a2 + ab

Answer 2

Step-by-step explanation:

The above picture is the solution of this answer.

Hope it helps you.

Just remember only one thing in algebra.

minus plus is minus.

minus minus is plus