document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=46986>Question 46986</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0618388362/algebrahomeworkh>Elementary and Intermediate Algebra: A Combined Course</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Solve the equation by factoring: 4x^2+15x=25<BR>\n" );
document.write( "What I did: 4x^2+15x-25=0<BR>\n" );
document.write( "            (x+20)(x-5)=0<BR>\n" );
document.write( "             x+20=0  x-5=0<BR>\n" );
document.write( "             x+-20   x=5 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #31128 by </B><A HREF=/tutors/aboutme.mpl?userid=Cintchr><B>Cintchr(481)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cintchr><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=31128\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You brought the 25 back onto the side with the other parts, but when factoring, 20 * 5 is not 25 ... you looked for what added to 25 .. not what multiplied to get 25.\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+4x%5E2%2B15x=25+ ALIGN=MIDDLE  ALT=\"+4x%5E2%2B15x=25+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+4x%5E2%2B15x-25=0+ ALIGN=MIDDLE  ALT=\"+4x%5E2%2B15x-25=0+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "F: 4x * x = 4x^2<BR>\n" );
document.write( "O: 4x * 5 = 20x<BR>\n" );
document.write( "I: -5 * x = -5x<BR>\n" );
document.write( "L: -5 * 5 = -25<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%284x-5%29%28x%2B5%29=0+ ALIGN=MIDDLE  ALT=\"+%284x-5%29%28x%2B5%29=0+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+4x-5=0+ ALIGN=MIDDLE  ALT=\"+4x-5=0+\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x%2B5=0+ ALIGN=MIDDLE  ALT=\"+x%2B5=0+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "add five and subtract five<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+4x-5%2B5=0%2B5+ ALIGN=MIDDLE  ALT=\"+4x-5%2B5=0%2B5+\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x%2B5-5=0-5+ ALIGN=MIDDLE  ALT=\"+x%2B5-5=0-5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+4x=5+ ALIGN=MIDDLE  ALT=\"+4x=5+\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x=-5+ ALIGN=MIDDLE  ALT=\"+x=-5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Divide by four on the first part<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x=5%2F4+ ALIGN=MIDDLE  ALT=\"+x=5%2F4+\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x=-5+ ALIGN=MIDDLE  ALT=\"+x=-5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x = {-5, 5/4}\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );