document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1173229>Question 1173229</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello I need help solving this quadratic equation by completing the square and rounding the solution to nearest hundredth please. \r<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 #798423 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=798423\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> start with:<BR>\n" );
document.write( "x^2 - 10x + 10 = 0\r<BR>\n" );
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document.write( "subtract 10 from both sides of the equation to get:<BR>\n" );
document.write( "x^2 - 10x = -10\r<BR>\n" );
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document.write( "take half the coefficient of the x term and adding it to x to get (x - 5)^2 = -10<BR>\n" );
document.write( "(x - 5)^2 is equal to x^2 -10x + 25<BR>\n" );
document.write( "to make (x - 5)^2 equal to x^2 - 10x, you need to subtract 25 from the result.<BR>\n" );
document.write( "you get (x - 5)^2 - 25 = -10<BR>\n" );
document.write( "add 25 to both sides of the equation to get:<BR>\n" );
document.write( "(x - 5)^2 = 15\r<BR>\n" );
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document.write( "take the square root of both sides of this equation to get:<BR>\n" );
document.write( "x - 5 = plus or minus sqrt(15)<BR>\n" );
document.write( "add 5 to both sides of this equation to get:<BR>\n" );
document.write( "x = 5 plus or minus sqrt(15)<BR>\n" );
document.write( "that's your solution.\r<BR>\n" );
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document.write( "if you graph the equations of x^2 - 10x + 10 = y, and (x - 5)^2 - 15 = y, they should be identical.\r<BR>\n" );
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document.write( "the following graph shows that they are:\r<BR>\n" );
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document.write( "the roots shown are 1.127 and 8.873.<BR>\n" );
document.write( "5 + sqrt(15) = 8.873 rounded to 3 decimal places.<BR>\n" );
document.write( "5 - sqrt(15) = 1.127 rounded to 3 decimal places.\r<BR>\n" );
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document.write( "both equations draw the same graph.<BR>\n" );
document.write( "this means they are identical.<BR>\n" );
document.write( "they are two different versions of the same equation.\r<BR>\n" );
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document.write( "your solution is x = 5 plus or minus sqrt(15)\r<BR>\n" );
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