Question

Add using column method..

3ab - 5bc + 4ac, 2ab - 7bc and 3bc - 7ac

Please answer correctly, it's very important..​

Answer 1

Answer:

ab + 2bc - ca + 2ab - bc - ca - ( 4ab + 5bc - 3ca)

3ab + bc - 2ca - 4ab - 5bc + 3ca

-ab - 4bc + ca

Step-by-step explanation:

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Answer 2

Answer:

okay

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first you give my question answer