document.write( "Question 757133: When the sum of 6 and twice a positive number is subtracted from a square of the number, 0 results. Find the number. \n" ); document.write( "

Algebra.Com's Answer #460677 by josgarithmetic(39620) $\"\"$ $\"About$

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$\"6%2B2n-n%5E2=0\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"%28-1%29%28-n%5E2%2B2n%2B6%29=0%2A%28-1%29\"$
\n" ); document.write( " $\"n%5E2-2n-6=0\"$ not factorable.\r
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\n" ); document.write( "\n" ); document.write( "Use solution to quadratic equation:
\n" ); document.write( " $\"n=%282%2B-sqrt%284-2%28-6%29%29%29%2F2\"$
\n" ); document.write( " $\"n=%282%2B-sqrt%2816%29%29%2F2\"$
\n" ); document.write( " $\"n=%282%2B-+4%29%2F2\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"n=-1\"$ or $\"n=3\"$ \n" ); document.write( "

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