document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=205758>Question 205758</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve:\r<BR>\n" );
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document.write( "3^(x^2-3x)=81 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #155512 by </B><A HREF=/tutors/aboutme.mpl?userid=RAY100><B>RAY100(1637)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=RAY100><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=155512\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3^(x^2 -3x) =81=3^4<BR>\n" );
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document.write( "x^2 -3x =4,,,,,,,exponents  must  be  equal<BR>\n" );
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document.write( "x^2 -3x -4 =0<BR>\n" );
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document.write( "(x-4)(x+1) =0<BR>\n" );
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document.write( "x=4,-1<BR>\n" );
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document.write( "check,,(4),,,3^((4)^2 -3(4)) =81<BR>\n" );
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document.write( "3^(16-12) =3^4 = 81,,,,ok<BR>\n" );
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document.write( "(-1),,,,,3^( (-1)^2 -3(-1))= 3^(1+3) = 3^4 =81,,,,ok </SPAN>\n" );
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