echil80ders echil80ders

04-04-2020
Mathematics

contestada

factor completely: 21a+27

Respuesta :

Onoriodefelix Onoriodefelix

04-04-2020

Answer:

3(7a + 9)

Step-by-step explanation:

21a + 27

3(7a + 9)

When you expand

3 x 7a + 3 x 9

21a + 27

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