document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=97300>Question 97300</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0131430920/algebrahomeworkh>College Math</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Square root 15-2x=x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #70798 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=70798\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Square root (15-2x)=x<BR>\n" );
document.write( "------<BR>\n" );
document.write( "Square both sides to get:<BR>\n" );
document.write( "15-2x = x^2<BR>\n" );
document.write( "Rearrange:<BR>\n" );
document.write( "x^2+2x-15=0<BR>\n" );
document.write( "Factor:<BR>\n" );
document.write( "(x+5)(x-3) = 0<BR>\n" );
document.write( "x = -5 or x=3<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "Checking:<BR>\n" );
document.write( "If x=-5, sqrt(15+10) = -5<BR>\n" );
document.write( "sqrt(25) = -5<BR>\n" );
document.write( "Wrong<BR>\n" );
document.write( "x = -5 is not a solution<BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "If x=3, sqrt(15-6) = 3<BR>\n" );
document.write( "sqrt(9) = 3<BR>\n" );
document.write( "3 = 3<BR>\n" );
document.write( "Good<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "Final solution: x=3<BR>\n" );
document.write( "===============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );