document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=275827>Question 275827</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve for x.\r<BR>\n" );
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document.write( "(x+1)(x+3)(x+5)(x+7)=-15\r<BR>\n" );
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document.write( "I've worked this numerous times and get lost every time. Please explain how to find x. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #201134 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16949)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=201134\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (x+1)(x+3)(x+5)(x+7)=-15\r<BR>\n" );
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document.write( "Rearrange the terms\r<BR>\n" );
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document.write( "(x+1)x+7)(x+3)(x+5)=-15\r<BR>\n" );
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document.write( "(x^2+8x++7)(x^2+8x+15)=-15\r<BR>\n" );
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document.write( "Substitute x^2+8x with a\r<BR>\n" );
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document.write( "(a+7)(a+15)=-15\r<BR>\n" );
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document.write( "a^2+22a +120=-15\r<BR>\n" );
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document.write( "a^2+22a+120=0<BR>\n" );
document.write( "a^2+12a+10a+120=0\r<BR>\n" );
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document.write( "a(a+12)+10(a+12)=0\r<BR>\n" );
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document.write( "(a+10(a+12)=0\r<BR>\n" );
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document.write( "REPLACE THE VALUE OF A WITH X^2 +8X<BR>\n" );
document.write( " and finish\r<BR>\n" );
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document.write( " </SPAN>\n" );
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