document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=181889>Question 181889</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0321233832/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> 4x^2+11x=2x^2-15<BR>\n" );
document.write( "2x62+11x+15=0<BR>\n" );
document.write( "(2x+5)(x+3)=0<BR>\n" );
document.write( "2x=5<BR>\n" );
document.write( "x=5/2<BR>\n" );
document.write( "x=3<BR>\n" );
document.write( "My teacher says I have sign errors, can you please help? Thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #136511 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=136511\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4x^2+11x=2x^2-15<BR>\n" );
document.write( "2x^2+11x+15=0<BR>\n" );
document.write( "(2x+5)(x+3)=0<BR>\n" );
document.write( "2x=5  <<--should be 2x=-5<BR>\n" );
document.write( "x=5/2 <<--should be x=-5/2<BR>\n" );
document.write( "x=3   <<--should be x=-3<BR>\n" );
document.write( ".<BR>\n" );
document.write( "For example, you're setting each term to zero:<BR>\n" );
document.write( "(2x+5)=0<BR>\n" );
document.write( "subtracting 5 from each side:<BR>\n" );
document.write( "2x = -5<BR>\n" );
document.write( "dividing both sides by 2:<BR>\n" );
document.write( "x = -5/2<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );