SOLUTION: i need to factor the polynomails n to the third +4n to the second - 21n=0

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Question 35134This question is from textbook Algebra 1
: i need to factor the polynomails n to the third +4n to the second - 21n=0 This question is from textbook Algebra 1

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
N~3+4N~2-21N=0 THUS FACTORING OUT N WE GET N(N~2+4N-21)=0 OR N(N+7)(N-3)=0 OR
N=0 & N+7=0 OR N=-7 & N-3=0 OR N=3