Respuesta :

Answer:

18n + 9

Step-by-step explanation:

hollander50

Answer:

18n + 9

Step-by-step explanation:

To simplify an expression using distributive property, you need to multiply the number on the outside of the parenthesis and multiply them by the numbers inside the parenthesis. 9 x 2n = 18n and 9 x 1 = 9.

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