rdaniella225 rdaniella225

19-01-2021
Mathematics

contestada

Which of the following is equivalent to the expression to: 9x + 6?

a. 3 (3n - 2)
b. 3 (3n) + 2n
c. 3 (3n + 2)
d. 3 (3n +2n)

Respuesta :

alexyrobinson991 alexyrobinson991

19-01-2021

Answer:

C. [tex]3(3n + 2)[/tex]

Step-by-step explanation:

A. [tex]3(3n - 2)\\9n -6[/tex]

B. [tex]3(3n) +2n\\9n + 2n\\11n[/tex]

C. [tex]3(3n + 2)\\9n + 6[/tex]

D. [tex]3(3n + 2n)\\9n +6n\\15n[/tex]

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19-01-2021

C because 3 times 3n is 9n and 3 times 2 is 6 so it’s 9n+6 but in this case 9x+6(same thing)

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