document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=942308>Question 942308</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Could you please help me solve this step by step:<BR>\n" );
document.write( "(x-5-5i)(x-5+5i)<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #574455 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=574455\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-5-5i%29%28x-5%2B5i%29 ALIGN=MIDDLE  ALT=\"%28x-5-5i%29%28x-5%2B5i%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
document.write( "\n" );
document.write( "1.first multiply <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-5%2B5i%29 ALIGN=MIDDLE  ALT=\"%28x-5%2B5i%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x ALIGN=MIDDLE  ALT=\"x\"   DISABLED_style= \"max-width:90%; height:auto;\" > from <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-5-5i%29 ALIGN=MIDDLE  ALT=\"%28x-5-5i%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >:\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%28x-5%2B5i%29 ALIGN=MIDDLE  ALT=\"x%28x-5%2B5i%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >=><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%5E2-5x%2B5x%2Ai%29 ALIGN=MIDDLE  ALT=\"%28x%5E2-5x%2B5x%2Ai%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >...(1)\r<BR>\n" );
document.write( "\n" );
document.write( "2.then multiply <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-5%2B5i%29 ALIGN=MIDDLE  ALT=\"%28x-5%2B5i%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-5 ALIGN=MIDDLE  ALT=\"-5\"   DISABLED_style= \"max-width:90%; height:auto;\" >:\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-5%28x-5%2B5i%29 ALIGN=MIDDLE  ALT=\"-5%28x-5%2B5i%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >=><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-5x%2B25-25i%29 ALIGN=MIDDLE  ALT=\"%28-5x%2B25-25i%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >...(2)\r<BR>\n" );
document.write( "\n" );
document.write( "3.then multiply <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-5%2B5i%29 ALIGN=MIDDLE  ALT=\"%28x-5%2B5i%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-5i ALIGN=MIDDLE  ALT=\"-5i\"   DISABLED_style= \"max-width:90%; height:auto;\" >:\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-5i%28x-5%2B5i%29 ALIGN=MIDDLE  ALT=\"-5i%28x-5%2B5i%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >=> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-5x%2Ai%2B25i-25i%5E2%29 ALIGN=MIDDLE  ALT=\"%28-5x%2Ai%2B25i-25i%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >...(3)\r<BR>\n" );
document.write( "\n" );
document.write( "now just put (1),(2) and (3) together\r<BR>\n" );
document.write( "\n" );
document.write( "so, it will be:\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-5-5i%29%28x-5%2B5i%29=%28x%5E2-5x%2B5x%2Ai%29%2B%28-5x%2B25-25i%29%2B%28-5x%2Ai%2B25i-25i%5E2%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >...recall <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;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-5-5i%29%28x-5%2B5i%29=x%5E2-5x%2B5x%2Ai-5x%2B25-25i-5x%2Ai%2B25i-25%28-1%29 ALIGN=MIDDLE  ALT=\"%28x-5-5i%29%28x-5%2B5i%29=x%5E2-5x%2B5x%2Ai-5x%2B25-25i-5x%2Ai%2B25i-25%28-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-5-5i%29%28x-5%2B5i%29=x%5E2-5x%2Bcross%285x%2Ai%29-5x%2B25-cross%2825i%29-cross%285x%2Ai%29%2Bcross%2825i%29-25%28-1%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-5-5i%29%28x-5%2B5i%29=x%5E2-5x-5x%2B25-25%28-1%29 ALIGN=MIDDLE  ALT=\"%28x-5-5i%29%28x-5%2B5i%29=x%5E2-5x-5x%2B25-25%28-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-5-5i%29%28x-5%2B5i%29=x%5E2-10x%2B25%2B25 ALIGN=MIDDLE  ALT=\"%28x-5-5i%29%28x-5%2B5i%29=x%5E2-10x%2B25%2B25\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-5-5i%29%28x-5%2B5i%29=x%5E2-10x%2B50 ALIGN=MIDDLE  ALT=\"%28x-5-5i%29%28x-5%2B5i%29=x%5E2-10x%2B50\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );