document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=437260>Question 437260</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve the equation by completeing the square x^2+2x=15<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #302438 by </B><A HREF=/tutors/aboutme.mpl?userid=Gogonati><B>Gogonati(855)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Gogonati><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/cgi-bin/show-face.mpl?user=Gogonati><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=302438\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Add +1 on both sides of equation.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2%2B2x%2B1=15%2B1 ALIGN=MIDDLE  ALT=\"x%5E2%2B2x%2B1=15%2B1\"   DISABLED_style= \"max-width:90%; height:auto;\" >, complete the square on the left side.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%2B1%29%5E2=16 ALIGN=MIDDLE  ALT=\"%28x%2B1%29%5E2=16\"   DISABLED_style= \"max-width:90%; height:auto;\" >, by the square root definition we write: x+1=+/- sqrt(16)\r<BR>\n" );
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document.write( "x+1=4 => x=3 and x+1=-4 => x=-5.\r<BR>\n" );
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document.write( "Done. </SPAN>\n" );
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