document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=103787>Question 103787</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0495041440/algebrahomeworkh>beginning and intermediate algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\">  Factor the expression, if possible.\r<BR>\n" );
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document.write( "x^4 - 1296\r<BR>\n" );
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document.write( "Please enter \"prime \", if the expression cannot be factored.\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 #75449 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=75449\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> To factor this, simply use the difference of squares\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5E2-b%5E2=%28a%2Bb%29%28a-b%29 ALIGN=MIDDLE  ALT=\"a%5E2-b%5E2=%28a%2Bb%29%28a-b%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "So let a=x^2 (it is the square root of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E4 ALIGN=MIDDLE  ALT=\"x%5E4\"   DISABLED_style= \"max-width:90%; height:auto;\" >) and b=36 (it is the square root of 1296) to get\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%5E2%29%5E2-%2836%29%5E2=%28x%5E2%2B36%29%28x%5E2-36%29 ALIGN=MIDDLE  ALT=\"%28x%5E2%29%5E2-%2836%29%5E2=%28x%5E2%2B36%29%28x%5E2-36%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Now factor <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2-36 ALIGN=MIDDLE  ALT=\"x%5E2-36\"   DISABLED_style= \"max-width:90%; height:auto;\" > to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%2B6%29%28x-6%29 ALIGN=MIDDLE  ALT=\"%28x%2B6%29%28x-6%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >. Again use the difference of squares to factor\r<BR>\n" );
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document.write( "So <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E4+-+1296 ALIGN=MIDDLE  ALT=\"x%5E4+-+1296\"   DISABLED_style= \"max-width:90%; height:auto;\" > factors to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%5E2%2B36%29%28x%2B6%29%28x-6%29 ALIGN=MIDDLE  ALT=\"%28x%5E2%2B36%29%28x%2B6%29%28x-6%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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