Answer:
Step-by-step explanation:
<em>(n - 5)(n + 5) </em>
a² - b² = (a - b)(a + b)
n² - 25 = n² - 5² = <em>(n - 5)(n + 5)</em>
113 is correct because 49 divided by 3 is 16.33. 16.33 multiplied by 7 is 113
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