document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1067762>Question 1067762</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Factor completely and show the check by re-multiplication. If the polynominal is not factorable, write \"prime\".\r<BR>\n" );
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document.write( "1.) 12x^3-20x^2-8x\r<BR>\n" );
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document.write( "2.) 42x^2-23x-5\r<BR>\n" );
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document.write( "Thank you. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #682892 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=682892\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  12x^3-20x^2-8x <BR>\n" );
document.write( "4x can be divided out<BR>\n" );
document.write( "4x(3x^2-5x-2)=4x(3x+1)(x-2)<BR>\n" );
document.write( "4x*(3x^2-6x+x-2)=12x^3-24x^2+4x^2-8x<BR>\n" );
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document.write( " 42x^2-23x-5<BR>\n" );
document.write( "divide 42 from first and multiply last term by 42<BR>\n" );
document.write( "x^2-23x-210, which factors into (x+7)(x-30)<BR>\n" );
document.write( "divide those by 42 and reduce completely<BR>\n" );
document.write( "(x+7/42)(x-30/42)=(x+(1/6))(x-(5/7))<BR>\n" );
document.write( "move the denominator of the fraction in front of the x<BR>\n" );
document.write( "(6x+1)(7x-5)<BR>\n" );
document.write( "42x^2-30x+7x-5 </SPAN>\n" );
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