document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=638750>Question 638750</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help me solve this equation <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+h%5E4%2B64+ ALIGN=MIDDLE  ALT=\"+h%5E4%2B64+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "this is factor  completely </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #402378 by </B><A HREF=/tutors/aboutme.mpl?userid=fcabanski><B>fcabanski(1391)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fcabanski><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=402378\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This is a sum of two squares factorization.  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2+%2B+y%5E2 ALIGN=MIDDLE  ALT=\"x%5E2+%2B+y%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > factors to (x+yi)(x-yi) where i is the complex number <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%28-1%29 ALIGN=MIDDLE  ALT=\"sqrt%28-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=i%5E2+=+-1 ALIGN=MIDDLE  ALT=\"i%5E2+=+-1\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<P><BR>\n" );
document.write( "The trick is recognizing that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h%5E4+=+%28h%5E2%29%5E2 ALIGN=MIDDLE  ALT=\"h%5E4+=+%28h%5E2%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  Of course 64 = 8^2.<P><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28h%5E2%29%5E2+%2B+8%5E2 ALIGN=MIDDLE  ALT=\"%28h%5E2%29%5E2+%2B+8%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > factors to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28h%5E2+%2B+8i%29%28h%5E2+-+8i%29 ALIGN=MIDDLE  ALT=\"%28h%5E2+%2B+8i%29%28h%5E2+-+8i%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
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