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01-04-2017
Mathematics

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Solve for n.
n^2–15n–16=0

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Аноним Аноним

01-04-2017

n = {15 +- root of ( 225 + 64) } / 2
= {15 +- root of 289 } / 24
= 15 + 17 } / 2 or { 15 -17 } /2
= 16 or -1

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