document.write( "Question 118568: \r
\n" ); document.write( "\n" ); document.write( " 4. Three times the square of a certain positive number exceeds six times the number by nine. Find the number:
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Algebra.Com's Answer #86702 by checkley71(8403)\"\" \"About 
You can put this solution on YOUR website!
3(X^2)=6X+9
\n" ); document.write( "3X^2-6X-9=0
\n" ); document.write( "3(X^2-2X+3)=0
\n" ); document.write( "3(X-3)(X+1)=0
\n" ); document.write( "X-3=0
\n" ); document.write( "X=3 ANSWER.
\n" ); document.write( "PROOF
\n" ); document.write( "3(3^2)=6*3+9
\n" ); document.write( "3*9=18+9
\n" ); document.write( "27=27
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