Math, asked by Abhijeet9123, 1 month ago

Add the following:

A) 3ab,-4ab,7ab,-5ab=???

Answers

Answered by angelnaba628

3

Answer:

ab

Step-by-step explanation:

=3ab + (-4ab) + 7ab + (-5ab)

=3ab - 4ab + 7ab - 5ab

=3ab + 7ab + (-4ab-5ab)

=10ab + ( - 9ab)

=10ab - 9ab

=1ab or just ab both are correct

Answered by adityak4m6le007

5

Answer:

ab

Step-by-step explanation:

$3ab + ( - 4ab) + 7ab + ( - 5ab) \\ = (3ab - 4ab) + (7ab - 5ab) \\ = - ab + 2ab \\ = ab$

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