Question

7 (2a-b-c) +(2b-c-a) + (2c-a-b)​

Answer 1

Answer:

14a+7b-7c+2b-c-a+2c-a-b

14a-2a+7b+2b-b-7c-c+2c

12a+9b-b-8c+2c

12a+8b-6c

Answer 2

Answer:

by decomposing the bracket we get

14a - 7b - 7c + 2b - c - a + 2c - a - b

12a - 6b - 6c

Step-by-step explanation:

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