document.write( "Question 604352: if a number is subtracted from its square the result is 72. find the number \n" ); document.write( "
Algebra.Com's Answer #381126 by flame8855(424)\"\" \"About 
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x^2-x = 72
\n" ); document.write( "x^2-x-72 = 0
\n" ); document.write( "(x-9)(x+8)=0
\n" ); document.write( "x = 9
\n" ); document.write( "x = -8
\n" ); document.write( "so x = 9 is the number
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