document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=107858>Question 107858</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9780073268620/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Please help me.  Using the AC method, please show me the steps to solve this problem.\r<BR>\n" );
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document.write( "10m^2-23m-12\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #78619 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=78619\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the problem you have posted cannot be factored using the AC method.<BR>\n" );
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document.write( "The following problem can be<BR>\n" );
document.write( "Using the AC method, please show me the steps to solve this problem. <BR>\n" );
document.write( "10m^2-23m+12<BR>\n" );
document.write( "AC = 10*12 = 120<BR>\n" );
document.write( "B = -23<BR>\n" );
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document.write( "Think of two numbers whose product is 120 and whose sum is -23<BR>\n" );
document.write( "The numbers are -15 and -8<BR>\n" );
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document.write( "Rewrite the problem replacing -23m by -15m-8m:<BR>\n" );
document.write( "10m^2-15m-8m+12<BR>\n" );
document.write( "Factor the 1st 2 and the last two terms separately:<BR>\n" );
document.write( "5m(2m-3)-4(2m-3)<BR>\n" );
document.write( "Factor again to get the final answer:<BR>\n" );
document.write( "(2m-3)(5m-4)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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