document.write( "Question 540443: three times the square of a certain positive number exceeds six times the number by nine. Fine the number \n" ); document.write( "
Algebra.Com's Answer #353749 by mananth(16946)\"\" \"About 
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let number be x
\n" ); document.write( "3x^2-6x=9\r
\n" ); document.write( "\n" ); document.write( "3x^2-6x-9=0
\n" ); document.write( "3x^2=-9x+3x-9=0\r
\n" ); document.write( "\n" ); document.write( "3x(x-3)+3(x-3)=0
\n" ); document.write( "(x-3)(3x+3)=0
\n" ); document.write( "x= 3 the positive value\r
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