Question

2. Add the following:
(a) 3ab, -4ab, 7ab, -5ab​

Answer 1

Answer:

Step-by-step explanation:

3ab-4ab+7ab-5ab

ab

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Answer 2

Answer:

=》3ab+(-4ab)+7ab+(-5ab)

=》3ab-4ab+7ab-5ab

=》3ab+7ab-4ab-5ab

=》10ab-4ab-5ab

=》10ab-9ab

=》ab

The correct answer is (ab).

I hope it is helpful.

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