document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=54618>Question 54618</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 2x - 7&#8730;x - 30 = 0.\r<BR>\n" );
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document.write( "Solve by factoring.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #36866 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=36866\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2x - 7&#8730;x - 30 = 0. <BR>\n" );
document.write( "(2sqrtx + 5) (sqrt x - 6)=0<BR>\n" );
document.write( "sqrtx = -5/2 or sqrtx =6<BR>\n" );
document.write( "x=(25/4) or x=36<BR>\n" );
document.write( "Checking these solutions:<BR>\n" );
document.write( "2(25/4)-7(5/4)-30=0<BR>\n" );
document.write( "50/4-35/4-120/4= 0<BR>\n" );
document.write( "Not true so 25/4 is an extraneous solution.<BR>\n" );
document.write( "2(36)-7(6)-30=0<BR>\n" );
document.write( "0=0<BR>\n" );
document.write( "So, x=36 is the only solution.<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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