document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=31950>Question 31950</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0534373526/algebrahomeworkh>College Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> sqrt(x+4) = x^2-5   I squared both sides and eventually came out with x^4-10x^2-x+25. I got as far as x(x^3-10x-1) + 21 but I think I'm off base.\r<BR>\n" );
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document.write( "Thank you so very much for all your help in this madness! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #18596 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=18596\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> sqrt(x+4)=x^2-5<BR>\n" );
document.write( "Square both sides to get:<BR>\n" );
document.write( "x+4=x^4-10x^2+25<BR>\n" );
document.write( "x^4-10x^2-x+21=0<BR>\n" );
document.write( "Graphing this with a TI-83 <BR>\n" );
document.write( "I get the following zeroes<BR>\n" );
document.write( "x=2.7566944...<BR>\n" );
document.write( "x=1.6214327...<BR>\n" );
document.write( "x=-1.882801...<BR>\n" );
document.write( "x=-2.495326...<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );