document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=44818>Question 44818</A>: <I><SPAN STYLE=\"word-break: break-all;\"> This is confusing for me. Please help.\r<BR>\n" );
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document.write( "Use the ac test to determine which of the following trinominals can be factored. Find the values of m and n for each trinominal that can be factored.\r<BR>\n" );
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document.write( "x^2 + 2x -15 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #29699 by </B><A HREF=/tutors/aboutme.mpl?userid=mbarugel><B>mbarugel(146)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mbarugel><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=29699\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hello again!<BR>\n" );
document.write( "In this case,<BR>\n" );
document.write( "a = 1<BR>\n" );
document.write( "b = 2<BR>\n" );
document.write( "c = -15\r<BR>\n" );
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document.write( "Therefore, ac = -15.\r<BR>\n" );
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document.write( "Now, the possible pairs of numbers whose product is -15 are:\r<BR>\n" );
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document.write( "1 and -15<BR>\n" );
document.write( "-1 and 15<BR>\n" );
document.write( "5 and -3<BR>\n" );
document.write( "-5 and 3\r<BR>\n" );
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document.write( "Now, which of these pairs add up to b, which is equal to 2? Clearly, the pair is 5 and -3, as 5 + (-3) = 2. Therefore, this trinomial can be factored. We get that:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2+%2B+2x+-15+=+%28x%2B5%29%28x-3%29 ALIGN=MIDDLE  ALT=\"x%5E2+%2B+2x+-15+=+%28x%2B5%29%28x-3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "I hope this helps!<BR>\n" );
document.write( "Get more answers at <a  rel=nofollow HREF=http://www.onlinemathanswers.com>Online Math Answers.com</a>!<BR>\n" );
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