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Select the expression that is equivalent to (n²-25)

A. n² +10n - 25
B. n²-10-25
C. (n+5)(n-5)
D. (n-5) ²


1 Answer

2 votes

Answer:

C. (n+5)(n-5)

Explanation:

Select the expression that is equivalent to (n²-25)

Let's check each option. A and B are wrong, so we only check C & D.

C. (n + 5) (n - 5)

n² - 5n + 5n - 25

n² - 25

D. (n - 5)²

(n - 5) (n - 5)

n² - 5n - 5n + 25

n² - 10n + 25

So, the correct answer is C. (n+5)(n-5)

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