MyLastBreath MyLastBreath

29-11-2016
Mathematics

Answered

Solve the quadratic ( ^ means to the power of)

N^2 + 21n = 0

Verified Answer :

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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