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23-03-2021
Mathematics

contestada

[tex]n^{2} +3n-12=6[/tex]

Respuesta :

24-03-2021

Answer:

Step-by-step explanation:

n² + 3n - 18 = 0

n = [-3 ±√(3²-4(1)(-18)]/[2(1)] = [-3 ±√81]/2 = 3, -6

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