document.write( "Question 21293: n(n-1)=110
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Algebra.Com's Answer #11737 by rapaljer(4671) $\"\"$ $\"About$

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n(n-1) = 110
\n" ); document.write( " $\"n%5E2+-n+=+110\"$ \r
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\n" ); document.write( "\n" ); document.write( "Quadratic, so set equal to zero:
\n" ); document.write( " $\"n%5E2+-n+-+110+=+0\"$
\n" ); document.write( " $\"+%28n-11%29%28n%2B10%29+=+0+\"$
\n" ); document.write( "n= 11 or n= -10\r
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\n" ); document.write( "\n" ); document.write( "R^2 at SCC \n" ); document.write( "

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