document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=395654>Question 395654</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the solution set of the equation <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+sqrt+%28+x%2B1+%29+=+x+-+1+ ALIGN=MIDDLE  ALT=\"+sqrt+%28+x%2B1+%29+=+x+-+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" >?<BR>\n" );
document.write( "[Show work.] </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #280774 by </B><A HREF=/tutors/aboutme.mpl?userid=jrfrunner><B>jrfrunner(365)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jrfrunner><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=jrfrunner><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=280774\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> square both sides<BR>\n" );
document.write( "x+1=(x-1)^2=x^2-2x+1<BR>\n" );
document.write( "0=x^2-3x=x(x-3)<BR>\n" );
document.write( "x=0 or x=3<BR>\n" );
document.write( "--<BR>\n" );
document.write( "validate by checking each value on orginal equation<BR>\n" );
document.write( "x=0:  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%280%2B1%29=0-1 ALIGN=MIDDLE  ALT=\"sqrt%280%2B1%29=0-1\"   DISABLED_style= \"max-width:90%; height:auto;\" >  <BR>\n" );
document.write( "1=-1 this is not true so x=0 is not a solution<BR>\n" );
document.write( "-<BR>\n" );
document.write( "x=3    <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%283%2B1%29=3-1 ALIGN=MIDDLE  ALT=\"sqrt%283%2B1%29=3-1\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "2=3-1=2  check <BR>\n" );
document.write( "-<BR>\n" );
document.write( "so x=3 is the solution </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );