document.write( "Question 453794: solve by completing the square.\r
\n" ); document.write( "\n" ); document.write( "x^2+4x-12=0
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Algebra.Com's Answer #311725 by mananth(16946)\"\" \"About 
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
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