document.write( "Question 1091152: A number added to its square gives 20. The number is? \n" ); document.write( "
Algebra.Com's Answer #705552 by jorel1380(3719)\"\" \"About 
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Let n be the number. Then:
\n" ); document.write( "nē+n=20
\n" ); document.write( "nē+n-20=0
\n" ); document.write( "(n+5)(n-4)=0
\n" ); document.write( "n=-5 or 4
\n" ); document.write( "☺☺☺☺
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