document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=89971>Question 89971</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve by completing the square\r<BR>\n" );
document.write( "\n" );
document.write( "2x^2+8x-5=0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #65308 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=65308\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> solve by completing the square <BR>\n" );
document.write( "2x^2+8x-5=0<BR>\n" );
document.write( "Complete the square on the x-terms and keep the equation balanced<BR>\n" );
document.write( "2(x^2+4x+4) = 5+2*4<BR>\n" );
document.write( "Factor the left side and simplify the right<BR>\n" );
document.write( "2(x+2)^2 = 13<BR>\n" );
document.write( "(x+2)^2 = 13/2<BR>\n" );
document.write( "Take the square root of both sides and rationalize the denominator on the right.<BR>\n" );
document.write( "(x+2) = sqrt26/2 or x+2 = -sqrt26/2\r<BR>\n" );
document.write( "\n" );
document.write( "x = -2+ sqrt26/2 or x = -2-sqrt26/2<BR>\n" );
document.write( "===============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );