do middle term splitting
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Step-by-step explanation:
n^2 - 41n + 400 = 0
n^2 - 25 n - 16 n + 400 = 0
n (n - 25) - 16 (n - 25) = 0
(n - 25) (n - 16) = 0
n = 25, 16
hope it helps
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