nâ-6n-â12=4 – InterviewSolution

1.

nâ-6n-â12=4

Answer»

n² - 6n - 12 = 4

n² - 6n - 16 = 0

n² + 2n - 8n - 16 = 0

n(n + 2) -8( n + 2) = 0

(n - 8) ( n + 2) = 0

So, n = 8 and -2

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