document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=163907>Question 163907</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what is x? 3^(2x+1)+(28*3^(x))+9=0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #120738 by </B><A HREF=/tutors/aboutme.mpl?userid=alicealc><B>alicealc(293)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=alicealc><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=120738\">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%282x%2B1%29%2B%2828%2A3%5E%28x%29%29%2B9=0 ALIGN=MIDDLE  ALT=\"3%5E%282x%2B1%29%2B%2828%2A3%5E%28x%29%29%2B9=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<=> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%5E%282x%29%2A3%5E%281%29+%2B+28%2A3%5Ex+%2B+9+=+0 ALIGN=MIDDLE  ALT=\"3%5E%282x%29%2A3%5E%281%29+%2B+28%2A3%5Ex+%2B+9+=+0\"   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%5E%282x%29+%2B+28%2A3%5Ex+%2B+9+=+0 ALIGN=MIDDLE  ALT=\"3%2A3%5E%282x%29+%2B+28%2A3%5Ex+%2B+9+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%5Ex+=+a ALIGN=MIDDLE  ALT=\"3%5Ex+=+a\"   DISABLED_style= \"max-width:90%; height:auto;\" >, then<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2Aa%5E2+%2B+28%2Aa+%2B+9+=+0 ALIGN=MIDDLE  ALT=\"3%2Aa%5E2+%2B+28%2Aa+%2B+9+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "factorize this problem into this:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283a+%2B+1%29%2A%28a+%2B+9%29+=+0 ALIGN=MIDDLE  ALT=\"%283a+%2B+1%29%2A%28a+%2B+9%29+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "then we get:<BR>\n" );
document.write( "3a + 1 = 0<BR>\n" );
document.write( "<=> 3a = -1<BR>\n" );
document.write( "<=> a = -1/3<BR>\n" );
document.write( "change the variable a back to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%5Ex ALIGN=MIDDLE  ALT=\"3%5Ex\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<=> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%5Ex+=+-1%2F3 ALIGN=MIDDLE  ALT=\"3%5Ex+=+-1%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-> there is no answer for this equation\r<BR>\n" );
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document.write( "and try the other one:<BR>\n" );
document.write( "a + 9 = 0<BR>\n" );
document.write( "<=>a = -9<BR>\n" );
document.write( "change the variable a back to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%5Ex ALIGN=MIDDLE  ALT=\"3%5Ex\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<=> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%5Ex ALIGN=MIDDLE  ALT=\"3%5Ex\"   DISABLED_style= \"max-width:90%; height:auto;\" > = -9 <BR>\n" );
document.write( "-> there is no answer for this equation too\r<BR>\n" );
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document.write( "so this equation problem has no solution\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );