document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=224763>Question 224763</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello, can someone please assist me in understanding these types of problems.\r<BR>\n" );
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document.write( "Thank you\r<BR>\n" );
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document.write( "x/3 = 4/ x+1\r<BR>\n" );
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document.write( "also\r<BR>\n" );
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document.write( "-3/x = x/-3 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #167911 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=167911\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x/3 = 4/ x+1 cross multiply<BR>\n" );
document.write( "x(x+1)=3*4<BR>\n" );
document.write( "x^2+x=12<BR>\n" );
document.write( "x^2-x-12=0<BR>\n" );
document.write( "(x-4)(x+3)=0<BR>\n" );
document.write( "x-4=0<BR>\n" );
document.write( "x=4 ans.<BR>\n" );
document.write( "x+3=0<BR>\n" );
document.write( "x=-3 ans.<BR>\n" );
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document.write( "-3/x = x/-3 cross multiply.<BR>\n" );
document.write( "x^2=-3*-3<BR>\n" );
document.write( "x^2=9 <BR>\n" );
document.write( "x=sqrt9 <BR>\n" );
document.write( "x=+-3 ans.<BR>\n" );
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