document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=404390>Question 404390</A>: <I><SPAN STYLE=\"word-break: break-all;\"> My son recently took a test an had the following question wrong:\r<BR>\n" );
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document.write( "3x^2 - 4 = 0     That's 3 \"x\" squared.   He was require to provide the solution and the correct answer is:  +/- 2 times the square root of 3 divided by 3\r<BR>\n" );
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document.write( "How does one come upon that answer?  He is having difficulty trying to find out how to begin </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #285761 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=285761\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3x^2 - 4 = 0 <BR>\n" );
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document.write( "3x^2 = 4<BR>\n" );
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document.write( "x^2 = 4/3<BR>\n" );
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document.write( "x = +/-(2/sqrt(3))<BR>\n" );
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document.write( "Rationalizing the denominator you get:<BR>\n" );
document.write( "x = +/- (2sqrt(3))/3<BR>\n" );
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document.write( "OR you could write it as:<BR>\n" );
document.write( "x = (2/3)sqrt(3) or x = (-2/3)sqrt(3)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "============ </SPAN>\n" );
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