Math

n^2 +8n=-15 Solve

Asked by AnneS2 on 15 May 05:21

Last updated by anonymous on 16 May 14:49

1 Answers

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Answered by CherieS on 16 May 14:49

n^2 +8n=-15

n^2 +8n+15=-15+15

n^2 +8n+15=0

(n )(n ) ( +3)( +5)=0

(n+3) (n+5) = 0

Solve:

(n+3)=0

n+3-3=0-3

n=-3

Solve:

(n+5) = 0

n+5-5=0-5

n=-5