MyLastBreath MyLastBreath
  • 29-11-2016
  • Mathematics
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Solve the quadratic ( ^ means to the power of)


N^2 + 21n = 0

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apologiabiology
apologiabiology apologiabiology
  • 29-11-2016
factor out n
n(n+21)=0
set each to zero
n=0

n+21=0
minus 21
n=-21

n=-21 or 0
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