document.write( "Question 682242: Solve x2 + 4x – 12 = 0 by completing the square. Show your work for full credit. \n" ); document.write( "
Algebra.Com's Answer #423095 by ReadingBoosters(3246)\"\" \"About 
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\"%281%2F2%29%284%29+=+2\" and \"2%5E2+=+4\"
\n" ); document.write( "...
\n" ); document.write( "\"x%5E2+%2B+4x+%2B+4+=+12+%2B+4\"
\n" ); document.write( "\"%28x%2B2%29%5E2+=+16\"
\n" ); document.write( "...
\n" ); document.write( "\"sqrt%28x%2B2%29%5E2\" = +/- \"sqrt%2816%29\"
\n" ); document.write( "...
\n" ); document.write( "x+2 = +/- 4
\n" ); document.write( "x = -2 +/- 4
\n" ); document.write( "...
\n" ); document.write( "x = -2+4 = \"highlight_green%282%29\"
\n" ); document.write( "AND
\n" ); document.write( "x = -2-4 = \"highlight_green%28-6%29\"
\n" ); document.write( "………………………
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