document.write( "Question 1078938: The difference of the square of a number and 21 is equal to 4 times that number. Find the negative solution \n" ); document.write( "
Algebra.Com's Answer #693321 by Alan3354(69443)\"\" \"About 
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The difference of the square of a number and 21 is equal to 4 times that number. Find the negative solution
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\n" ); document.write( "n is \"the number\"
\n" ); document.write( "The difference of n^2 and 21 is either
\n" ); document.write( "n^2 - 21, or
\n" ); document.write( "21 - n^2
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\n" ); document.write( "n^2 - 21 = 4n
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\n" ); document.write( "Or,
\n" ); document.write( "21 - n^2 = 4n
\n" ); document.write( "Solve for n.
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