Respuesta :

cityg158

Answer:

A

Step-by-step explanation:

a(7+2)

first we have to distribute

A times 7 is 7a

2 times a is 2a

and considering that both 7a and 2a are like terms they can be added

therefor, 7a+2a=9a

khaledhamada

Answer:

7a + 2a = 9a

Step-by-step explanation:

the distributive property states that when a term is outside the bracket is will be multiplied by the terms inside it

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