# SOLUTION: Solve by factoring and using principle of zero products: n^2+11n+18=0

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 Question 451740: Solve by factoring and using principle of zero products: n^2+11n+18=0 Found 2 solutions by benn143, ewatrrr:Answer by benn143(2)   (Show Source): You can put this solution on YOUR website!n^2+11n+18=0 (n+9)(n+2)=0 n+9=0 n+2=0 n=-9 and n=-2 Answer by ewatrrr(10682)   (Show Source): You can put this solution on YOUR website! ``` Hi Solve by factoring and using principle of zero products: n^2+11n+18=0 (x+2)(x+9)= 0 Note:SUM of the outside terms(9n) and the inside terms(2n) = 11n (x+2)= 0 x = -2 (x+9)= 0 x = -9 x = -9,-2 ```