document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1123105>Question 1123105</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If a number is subtracted from 43,the principal square root of this difference is equal to the number decreased by 1, Find the number.\r<BR>\n" );
document.write( "\n" );
document.write( "A) {-6}<BR>\n" );
document.write( "B) {6,-7}<BR>\n" );
document.write( "c) {7}<BR>\n" );
document.write( "D) {-6,7} </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #739335 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=739335\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+sqrt%28+43+-+n+%29+=+n+-+1+ ALIGN=MIDDLE  ALT=\"+sqrt%28+43+-+n+%29+=+n+-+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Square both sides<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+43+-+n+=+%28+n+-+1+%29%5E2+ ALIGN=MIDDLE  ALT=\"+43+-+n+=+%28+n+-+1+%29%5E2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+43+-+n+=+n%5E2+-2n+%2B+1+ ALIGN=MIDDLE  ALT=\"+43+-+n+=+n%5E2+-2n+%2B+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+n%5E2+-+n+-+42+=+0+ ALIGN=MIDDLE  ALT=\"+n%5E2+-+n+-+42+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+n+-+7+%29%2A%28+n+%2B+6+%29+=+0+ ALIGN=MIDDLE  ALT=\"+%28+n+-+7+%29%2A%28+n+%2B+6+%29+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "C) {7}<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+-6+ ALIGN=MIDDLE  ALT=\"+-6+\"   DISABLED_style= \"max-width:90%; height:auto;\" > does not work because you have<BR>\n" );
document.write( "to take the negative square root\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );