document.write( "Question 453794: solve by completing the square.\r
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document.write( "x^2+4x-12=0 \n" );
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Algebra.Com's Answer #311725 by mananth(16946)![]() ![]() You can put this solution on YOUR website! x^2+4x-12=0\r \n" ); document.write( "\n" ); document.write( "x^2+4x=12 \n" ); document.write( "x^2+4x+4=12+4 \n" ); document.write( "(x+2)^2=16 \n" ); document.write( "take the square root \n" ); document.write( "x+2=4 \n" ); document.write( "x=2 \n" ); document.write( " |