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19-01-2021
Mathematics

contestada

Express 9ab - ab in simplest form. A. 8
B. 9
C. 8ab
D. 9ab

Respuesta :

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19-01-2021

Answer:

8ab

Step-by-step explanation:

think of it as 9-1

9ab-1ab=8ab

can't be 8 because the ab would be gone

can't be 9 because it is 9ab not just 9

can't be 9ab because that's the same

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