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7 January, 20:25

Solve for n.

n^2-15n-16=0

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Answers (1)
  1. 7 January, 20:29
    0
    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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