Question

EXERCISE 12.2
( Add:
(a) 7ab, -ab and 3ab
(b).​

Answer 1

Hey there, here is your answer. Mark my answer as the brainliest

SOLN:

7ab+(-ab)+3ab

or, 7ab-ab+3ab

or, (7+3-1)ab

or, (9)ab

or, 9ab

Answer- 9ab

Answer 2

Answer:

=》7ab+(-ab)+3ab

=》7ab-ab+3ab

=》7ab+3ab-ab

=》10ab-ab

=》9ab

The correct answer is (9ab).

I hope it is helpful.

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