document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=45371>Question 45371</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Directions: Solve the equation by completing the square. Express any complex numbers using i notation.\r<BR>\n" );
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document.write( "2x^2+4x+1=0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #30094 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=30094\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2x^2+4x+1=0\r<BR>\n" );
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document.write( "Divide thru by 2 to get:<BR>\n" );
document.write( "x^2+2x = -1/2<BR>\n" );
document.write( "Complete the square on the left side, as follows:<BR>\n" );
document.write( "x^2+2x+1 = -1/2 + 1<BR>\n" );
document.write( "(x+1)^2 = +1/2<BR>\n" );
document.write( "x+1=(sqrt2)/2 or x+1 = -(sqrt2)/2<BR>\n" );
document.write( "x=-1+(sqrt2)/2 or x=-1-(sqrt2)/2\r<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
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