Question

This is math pre algebra I don't know the answer 5ab + (-4b) - 2ab

Answer 1

Answer:

5ab + (-4b) - 2ab

= 5ab - 4b - 2ab

= 3ab - 4b

= b( 3a - 4 )

Step-by-step explanation:

The answer is b( 3a - 4 ).

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Answer 2

Step-by-step explanation:

5ab + (-4b) - 2ab

= 5ab-2ab -4b

= 3ab - 4b (Ans)

If we then factorize it then,

Here is this case we take the common factors, that is b

= b(3a- 4) [Factorised  (Ans) of 3ab-4b]