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 #311726 by Alan3354(69443)\"\" \"About 
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x^2+4x-12=0
\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( "x+2= +/-4
\n" ); document.write( "x = -6, 2
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