document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=663418>Question 663418</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello I'm having trouble solving a equation containing two radicals. I keep getting the wrong answer even though I isolate one radical, square it, isolate the second, and square that.\r<BR>\n" );
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document.write( "The equation is\r<BR>\n" );
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document.write( "sqrt(5x-7) + sqrt(2x+8) +2 = 0\r<BR>\n" );
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document.write( "Thank you for the help in advance! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #412767 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=412767\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> sqrt(5x-7) + sqrt(2x+8) +2 = 0 <BR>\n" );
document.write( "-------<BR>\n" );
document.write( "sqrt(5x-7) = -[sqrt(2x+8)+2)<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Square both sides:<BR>\n" );
document.write( "5x-7 = 2x+8 + 4sqrt(2x+8)+4<BR>\n" );
document.write( "----<BR>\n" );
document.write( "3x-19 = 4sqrt(2x+8)<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Square both sides:<BR>\n" );
document.write( "9x^2 - 114x + 361 = 16(2x+8)<BR>\n" );
document.write( "9x^2 - 114x + 361 = 32x + 128<BR>\n" );
document.write( "----<BR>\n" );
document.write( "9x^2 -146x + 233 = 0<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Use the Quadratic formula to get:<BR>\n" );
document.write( "x = 14.428 <BR>\n" );
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document.write( "cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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