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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)![]() ![]() ![]() 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 \n" ); document.write( " \n" ); document.write( " |