Question

4a-[6a-{8a-(6b-4a-4b)}]​

Answer 1

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See the attachment☺_____✔✔✔✔

Answer 2

Answer:

Step-by-step explanation:

4a-(6a-(8a-(6b+4a+4b)

4a-(6a-(8a-(4a+10b)

4a-(6a-(8a-4a-10b)

4a-(6a-(4a-10b)

4a-(6a-4a+10b)

4a-(2a+10b)

4a-2a-10b

2a-10b...

2(a-5b)...

Hope it helps you.......