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28-03-2017
Mathematics

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The square of a number is equal to 24 more than twice the number. Find the negative number. Please help me with this problem.

Respuesta :

30-03-2017

n^2 = 24 + 2n
n^2 - 2n - 24 = 0
(n-6)(n+4) = 0
n = 6 , n = - 4

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