document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1026226>Question 1026226</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I'm not sure how to do this question. is there a formula/law? Please explain working out. Thanks \r<BR>\n" );
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document.write( "Simplify:<BR>\n" );
document.write( "3^(n-1)+3^(n-1)+3^(n-1)  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #641452 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=641452\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3%5E%28+n-1+%29+%2B+3%5E%28+n-1+%29+%2B+3%5E%28+n-1+%29+ ALIGN=MIDDLE  ALT=\"+3%5E%28+n-1+%29+%2B+3%5E%28+n-1+%29+%2B+3%5E%28+n-1+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "This is<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3%2A3%5E%28+n-1+%29+ ALIGN=MIDDLE  ALT=\"+3%2A3%5E%28+n-1+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3%5E%28+n-1%2B1+%29+ ALIGN=MIDDLE  ALT=\"+3%5E%28+n-1%2B1+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3%5En+ ALIGN=MIDDLE  ALT=\"+3%5En+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( "check answer:<BR>\n" );
document.write( "Suppose <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+n=7+ ALIGN=MIDDLE  ALT=\"+n=7+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3%5E%28+n-1+%29+%2B+3%5E%28+n-1+%29+%2B+3%5E%28+n-1+%29+ ALIGN=MIDDLE  ALT=\"+3%5E%28+n-1+%29+%2B+3%5E%28+n-1+%29+%2B+3%5E%28+n-1+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3%5E%28+7-1+%29+%2B+3%5E%28+7-1+%29+%2B+3%5E%28+7-1+%29+ ALIGN=MIDDLE  ALT=\"+3%5E%28+7-1+%29+%2B+3%5E%28+7-1+%29+%2B+3%5E%28+7-1+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3%5E6+%2B+3%5E6+%2B+3%5E6+ ALIGN=MIDDLE  ALT=\"+3%5E6+%2B+3%5E6+%2B+3%5E6+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3%2A3%5E6+=+3%5E7+ ALIGN=MIDDLE  ALT=\"+3%2A3%5E6+=+3%5E7+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "looks right </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );