document.write( "Question 774952: the sum of positive number and its square is 77.Find the number. \n" ); document.write( "
Algebra.Com's Answer #472566 by josmiceli(19441)\"\" \"About 
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\"+n%5E2+%2B+n+=+77+\"
\n" ); document.write( "\"+n%5E2+%2B+n+%2B+%281%2F2%29%5E2+=+77+%2B+%281%2F2%29%5E2+\"
\n" ); document.write( "\"+n%5E2+%2B+n+%2B+1%2F4+=+77+%2B+1%2F4+\"
\n" ); document.write( "\"+%28+n+%2B+1%2F2+%29%5E2+=+309%2F4+\"
\n" ); document.write( "\"+n+%2B+1%2F2+=+sqrt%28+309%2F4+%29+\"
\n" ); document.write( "\"+n+=+sqrt%28+77.25+%29+-+.5+\"
\n" ); document.write( "-----------------------
\n" ); document.write( "check answer:
\n" ); document.write( "\"+n%5E2+%2B+n+=+77+\"
\n" ); document.write( "\"+%28+sqrt%28+77.25+%29+-+.5+%29%5E2+%2B+sqrt%28+77.25+%29+-+.5+=+77+\"
\n" ); document.write( "\"+77.25+-+sqrt%28+77.25+%29+%2B+.25+%2B+sqrt%28+77.25+%29+-+.5+=+77+\"
\n" ); document.write( "\"+77.25+%2B+.25+-+.5+=+77+\"
\n" ); document.write( "\"+77+=+77+\"
\n" ); document.write( "OK \r
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