document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=198917>Question 198917</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the positive root of the equation 3x²-27=0?<BR>\n" );
document.write( "1)9<BR>\n" );
document.write( "2)-9<BR>\n" );
document.write( "3)3<BR>\n" );
document.write( "4)-3 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #149390 by </B><A HREF=/tutors/aboutme.mpl?userid=anantha><B>anantha(86)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=anantha><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=149390\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> sol:<BR>\n" );
document.write( "3x^2-27=0<BR>\n" );
document.write( "adding 27 on both sides<BR>\n" );
document.write( "3x^2-27+27=0+27<BR>\n" );
document.write( "3x^2=27<BR>\n" );
document.write( "dividing by 3 on both sides<BR>\n" );
document.write( "3x^2/3=27/3<BR>\n" );
document.write( "x^2=9<BR>\n" );
document.write( "x=sqrt(9)                        (i.e;sqrt(9)=sqrt(3*3)=3)<BR>\n" );
document.write( "x=plus or minus  3<BR>\n" );
document.write( "the positive root of given equation is 3 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );