document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=141322>Question 141322</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve for x:\r<BR>\n" );
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document.write( "sqrt x-6 + sqrt x+6 = 6\r<BR>\n" );
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document.write( "a.  3<BR>\n" );
document.write( "b.  16<BR>\n" );
document.write( "c.  10<BR>\n" );
document.write( "d.  Cannot be solved\r<BR>\n" );
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document.write( "This is what I have but it is not an answer.\r<BR>\n" );
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document.write( "sqrt x-6 = sqrt x+6 +6<BR>\n" );
document.write( "(sqrt x-6)^2 = (sqrt x+6+6)^2<BR>\n" );
document.write( "(sqrt x+6)^2 + 2 * sqrt x+6*6+6^2<BR>\n" );
document.write( "x+6 + 2 sqrt x+6 + 6 + 36<BR>\n" );
document.write( "(sqrt x-6)^2 = (sqrt x+6+6)^2<BR>\n" );
document.write( "x-6 = x + 6 + 2sqrt x+6+36<BR>\n" );
document.write( "x-6 + x + 42 + 2sqrt x+6<BR>\n" );
document.write( "2x - 6 = 2sqrt x+6<BR>\n" );
document.write( "4x^2 + 36x - 36 + 4 (x+6)<BR>\n" );
document.write( "4x^2 + 36x - 36 = 4x + 24<BR>\n" );
document.write( "4x^2 - 32x = 0<BR>\n" );
document.write( "4x(x - 8x) = 0<BR>\n" );
document.write( "4x = 0 and x - 8 = 0<BR>\n" );
document.write( "x = 0      x = 8 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #102957 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=102957\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve for x: <BR>\n" );
document.write( "sqrt (x-6) + sqrt (x+6) = 6 <BR>\n" );
document.write( "a. 3<BR>\n" );
document.write( "b. 16<BR>\n" );
document.write( "c. 10<BR>\n" );
document.write( "d. Cannot be solved <BR>\n" );
document.write( "This is what I have but it is not an answer. <BR>\n" );
document.write( "sqrt x-6 = sqrt x+6 +6<BR>\n" );
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document.write( "Your 2nd line should be:<BR>\n" );
document.write( "sqrt(x-6) = 6 - sqrt(x+6)<BR>\n" );
document.write( "Now square both sides to get:<BR>\n" );
document.write( "x-6 = 36-12sqrt(x+6)+x+6<BR>\n" );
document.write( "-12 = 36-12sqrt(x+6)<BR>\n" );
document.write( "-1 = 3 - sqrt(x+6)<BR>\n" );
document.write( "-4 = sqrt(x+6)<BR>\n" );
document.write( "Square both sides to get:<BR>\n" );
document.write( "16 = x+6<BR>\n" );
document.write( "x = 10<BR>\n" );
document.write( "Checking in sqrt (x-6) + sqrt (x+6) = 6 :<BR>\n" );
document.write( "sqrt(4) + sqrt(16) = 6<BR>\n" );
document.write( "2 + 4 = 6<BR>\n" );
document.write( "6=6\r<BR>\n" );
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document.write( "=================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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document.write( "=========================== </SPAN>\n" );
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