contestada

Determine which expression is equivalent to 6a + 21. (5 points) a 3(2a + 7) b 3(3a + 18) c 3(a + 7) d 3(3a + 7)

Respuesta :

Answer:

a

Step-by-step explanation:

Given

6a + 21 ← factor out 3 from each term

= 3(2a + 7)

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