Respuesta :

behshtashakari33

Answer:

21a + 9

Simplifying

21a + 9

Reorder the terms:

9 + 21a

Factor out the Greatest Common Factor (GCF), '3'.

3(3 + 7a)

Final result:

3(3 + 7a)

HOPE THIS HELP

Answer:

[tex]3(7a+3)[/tex]

Step-by-step explanation:

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