document.write( "Question 872208: complete the square x^2+10x+9=0 \n" ); document.write( "
Algebra.Com's Answer #526006 by mananth(16946)\"\" \"About 
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x^2+10x+9=0\r
\n" ); document.write( "\n" ); document.write( "x^2++10x+25 -25+9=0\r
\n" ); document.write( "\n" ); document.write( "(x+5)^2 = 16\r
\n" ); document.write( "\n" ); document.write( "take the square root\r
\n" ); document.write( "\n" ); document.write( "(x+5) = +/- 4\r
\n" ); document.write( "\n" ); document.write( "x = -5-4 OR -5+4\r
\n" ); document.write( "\n" ); document.write( "x = -9 OR -1
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