document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=664239>Question 664239</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How can you factor the trinomial 2x to the second power plus 13x plus fifteen? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #413201 by </B><A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><B>ReadingBoosters(3246)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><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=413201\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2x^2 + 13x + 15 = 0<BR>\n" );
document.write( "(2x + )(x + ) = 0 both plus sign due to positive 13 and 15<BR>\n" );
document.write( "Find multiple of 15 that when one is multiplied by 2 will add to 13<BR>\n" );
document.write( "5,3 works since 2*5=10 + 3*1 = 13<BR>\n" );
document.write( "(2x + 3)(x + 5)<BR>\n" );
document.write( "2x+3=0 so x= -3/2<BR>\n" );
document.write( "x+5=0  so x= -5<BR>\n" );
document.write( "....<BR>\n" );
document.write( "Check with FOIL<BR>\n" );
document.write( "2x^2 + 10x + 3x + 15 = 0<BR>\n" );
document.write( "2x^2 + 13x + 15 = 0<BR>\n" );
document.write( ".........................<BR>\n" );
document.write( "Delighted to help.<BR>\n" );
document.write( "-Reading Boosters<BR>\n" );
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