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Solve this equation by factoring 6n^2-18n-18=6
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4 votes
Solve this equation by factoring
6n^2-18n-18=6

User Neil Foley
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2 Answers

3 votes

6n^2-18n-18=6 \\ 6n^2-18n-24=0\\ n^2-3n-4=0\\ n^2+n-4n-4=0\\ n(n+1)-4(n+1)=0\\ (n-4)(n+1)=0\\ n=4 \vee n=-1
User Waldo Bronchart
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7.3k points
6 votes

6n^(2)-18n-18=6 \\ 6n^(2)-18n-24=0 \\ 6(n^(2)-3n-4)=0 \\ 6(n-4)(n+1)=0 \\ \boxed{n=4\ and\ -1}
User Drew Kennedy
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