Math

n^2 +7n+15=5 Solve

Asked by AnneS2 on 15 May 05:25

Last updated by anonymous on 16 May 14:19

1 Answers

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Answered by CherieS on 16 May 14:19

n^2 +7n+15=5

n^2 +7n+15-5=5 -5

n^2 +7n+10=0

(n )(n ) ( +2)( +5)=0

(n+2) (n+5) = 0

Solve:

(n+2)=0

n+2-2=0-2

n=-2

Solve:

(n+5) = 0

n5-5=0-5

n=-5