document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=295653>Question 295653</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find all real solutions of the given equation. x+x^1/2-20=0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #213080 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=213080\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x+x^1/2-20=0<BR>\n" );
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document.write( "The easiest way to do this one is to treat it as a quadratic in x^1/2.<BR>\n" );
document.write( "Use xh for x^1/2<BR>\n" );
document.write( "(xh)^2 + (xh) - 20 = 0<BR>\n" );
document.write( "(xh + 5)*(xh - 4) = 0<BR>\n" );
document.write( "xh = -5 --> x = 25<BR>\n" );
document.write( "xh = 4 --> x = 16<BR>\n" );
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document.write( "Much simpler and less error chance than expanding it, etc.<BR>\n" );
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