Respuesta :

Answer:

a-ab

Step-by-step explanation:

-5ab+a+5-(-4ab+5)

-5ab+a+5+4ab-5

a-ab

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Answer:

-ab+a

Step-by-step explanation:

Remove the parenthesis and change the negative sign between the parenthesis to an addition symbol:

-5ab+a+5+4ab-5

Next, eliminate the opposites:

-5ab+a+5+4ab-5, this will get you:

-5ab+a+4ab

Then, collect the like terms:

-5ab+a+4ab

This will leave you with

-ab+a.

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