document.write( "Question 376737: when a positive number is added to its square, the sum is 240. find the number. \n" ); document.write( "
Algebra.Com's Answer #267984 by robertb(5830)\"\" \"About 
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\"x%5E2+%2B+x=+240\"
\n" ); document.write( "\"x%5E2+%2B+x+-+240=0\",
\n" ); document.write( "(x-15)(x+16) = 0, hence x =15.
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