document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=252544>Question 252544</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Actually I wanted to favtorize:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=15x%5E2-22x%2B8 ALIGN=MIDDLE  ALT=\"15x%5E2-22x%2B8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So I multiplied 8 with 15 and got 120.<BR>\n" );
document.write( "The factors came as <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-10 ALIGN=MIDDLE  ALT=\"-10\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-12 ALIGN=MIDDLE  ALT=\"-12\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Then I split the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=22x ALIGN=MIDDLE  ALT=\"22x\"   DISABLED_style= \"max-width:90%; height:auto;\" > into these 2 numbers, so I got:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=15x%5E2-10x-12x%2B8 ALIGN=MIDDLE  ALT=\"15x%5E2-10x-12x%2B8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Then what do I do next? Please help I have no clue! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #184516 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=184516\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=15x%5E2-22x%2B8 ALIGN=MIDDLE  ALT=\"15x%5E2-22x%2B8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "It's a trial and error thing.  The 1st term, 15, can be:<BR>\n" );
document.write( "1*15 or 3*5<BR>\n" );
document.write( "The last term, 8, can be 1*8 or 2*4.  It's +8, so the signs are the same.<BR>\n" );
document.write( "Start with 1 and 15, ignore the sign but try to get 22 for the middle term:<BR>\n" );
document.write( "(x - 1)*(15x - 8) --> 23x NG<BR>\n" );
document.write( "(3x - 1)*(5x - 8) --> 29x NG<BR>\n" );
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document.write( "(x - 2)*(15x - 4) --> 34x NG<BR>\n" );
document.write( "(3x - 2)*(5x - 4) --> 22x  That's it. The 22x is negative, so it's factored.<BR>\n" );
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document.write( "The best approach is to use the quadratic equation, but students are usually subjected to factoring before learning the quadratic equation.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );