document.write( "Question 163539This question is from textbook
\n" ); document.write( ": The sum of a number and its square is 72. Find the number. \n" ); document.write( "

Algebra.Com's Answer #120481 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Call the number N.
\n" ); document.write( " $\"N%2BN%5E2=72\"$
\n" ); document.write( " $\"N%5E2%2BN-72=0\"$
\n" ); document.write( " $\"%28N%2B9%29%28N-8%29=0\"$
\n" ); document.write( "Two solutions.
\n" ); document.write( " $\"N%2B9=0\"$
\n" ); document.write( " $\"N=-9\"$
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\n" ); document.write( " $\"N-8=0\"$
\n" ); document.write( " $\"N=8\"$
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\n" ); document.write( "Check your answers.
\n" ); document.write( " $\"-9%2B81=72\"$
\n" ); document.write( " $\"72=72\"$
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\n" ); document.write( " $\"8%2B64=72\"$
\n" ); document.write( " $\"72=72\"$
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\n" ); document.write( "Both answers lead to true statements.
\n" ); document.write( "Both answers are good answers.
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