Answer :

The multiplication is follows:


(6a2 – 7b + 5ab) × 2ab


=(6a2× 2ab – 7b× 2ab + 5ab× 2ab)


=(12a3b – 14ab2 + 10 a2b2)


Result is as follows: (12a3b – 14ab2 + 10 a2b2)


Option (a) does not match to our solution.


Option (b) does match to our solution.


Option (c) does not match to our solution.


Option (d) does not match to our solution.


So, option (b) is correct answer.

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