document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=69475>Question 69475</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve by completing the square:<BR>\n" );
document.write( "x^2 + 2x - 8 = 0\r<BR>\n" );
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document.write( "Multiple choice:<BR>\n" );
document.write( "a)-4, -2<BR>\n" );
document.write( "b)-4, 2<BR>\n" );
document.write( "c)4, -2<BR>\n" );
document.write( "d)4,2\r<BR>\n" );
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document.write( "Thank you for helping! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #49574 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=49574\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve by completing the square:<BR>\n" );
document.write( "x^2 + 2x - 8 = 0 <BR>\n" );
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document.write( "x^2 + 2x + ___ = 8; added 8 to both sides<BR>\n" );
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document.write( "Find the value that completes the square. <BR>\n" );
document.write( "Divide the coefficient of x by 2, and square that value: 2/2 = 1; 1^2 = 1<BR>\n" );
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document.write( "x^2 + 2x + 1 = 8 + 1; we have to add 1 to both sides<BR>\n" );
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document.write( "(x + 1)^2 = 9; Note that (x+1)^2 is same as:(x+1)*(x+1), which = x^2 + 2x + 1)<BR>\n" );
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document.write( "Find the square root of both sides:<BR>\n" );
document.write( " x + 1 = +/- Sqrt(9)<BR>\n" );
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document.write( "x = -1 +/- Sqrt(9)<BR>\n" );
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document.write( "x = -1 + 3<BR>\n" );
document.write( "x = +2<BR>\n" );
document.write( "and <BR>\n" );
document.write( "x = -1 - 3<BR>\n" );
document.write( "x = -4<BR>\n" );
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document.write( "Can you do this now? </SPAN>\n" );
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