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More points for my easy questions (fair deal)

More points for my easy questions (fair deal)-example-1

2 Answers

5 votes

Answer:

D

Explanation:

(x + 4)³ is x + 4 cubed

(x + 4)³ + 3x is the sum of x + 4 cubed and 3x

User Ackim
by
8.2k points
4 votes

Answer:

D

Explanation:

The thing that is being cubed here is the sum of x and 4, not x or 4 individually. After you have taken care of what is in parentheses, you add 3x, which gives the sum of x+4 cubed and 3x. Hope this helps!

User John Breen
by
8.6k points

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