document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=644842>Question 644842</A>: <I><SPAN STYLE=\"word-break: break-all;\"> (sqrt of 5-x)+1=x-2 I get x=4 or x=1 but my book says just x=4. I need to know why this is because they will both make the equation equal zero (or at least I think they do) Thanks! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #405284 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=405284\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (x-4)*(x-1)=0<BR>\n" );
document.write( "yields<BR>\n" );
document.write( "x*2-5x+4=0<BR>\n" );
document.write( "Does that equal<BR>\n" );
document.write( "sqrt(5-x)+1=x-2<BR>\n" );
document.write( "no<BR>\n" );
document.write( "x=4 \r<BR>\n" );
document.write( "\n" );
document.write( "sqrt(5-4)+1=4-2<BR>\n" );
document.write( "1+1=2<BR>\n" );
document.write( "2=2<BR>\n" );
document.write( "x=1 doesn't work<BR>\n" );
document.write( "sqrt(5-x)+1=x-2<BR>\n" );
document.write( "sqrt(5-1)+1=1-2<BR>\n" );
document.write( "sqrt(4)+1=-1<BR>\n" );
document.write( "2+1=-1<BR>\n" );
document.write( "3=-1\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "not true\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );