<img src="https://tex.z-dn.net/?f=n%5E%7B2%7D%20%2B3n-12%3D6" id="TexFormula1" title="n^{2} +3n-12=6" alt="n^{2} +3n-12=6" align

Ivenika [448]

2 years ago

="absmiddle" class="latex-formula">

Mathematics

1 answer:

Natalija [7]2 years ago

5 0

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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