document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=237794>Question 237794</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve using the qudratic equation.\r<BR>\n" );
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document.write( "w+4sqrt(w)-12=0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #174825 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=174825\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve using the qudratic equation. <BR>\n" );
document.write( "w+4sqrt(w)-12=0<BR>\n" );
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document.write( "Let w = k^2<BR>\n" );
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document.write( "k^2 + 4k -12 = 0<BR>\n" );
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document.write( "Factor:<BR>\n" );
document.write( "(k+6)(k-2) = 0<BR>\n" );
document.write( "k = -6 or k = 2<BR>\n" );
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document.write( "Switching back to \"w\":<BR>\n" );
document.write( "sqrt(w) = -6 or sqrt(w) = 2<BR>\n" );
document.write( "w = 36 or w = 4<BR>\n" );
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document.write( "Checking these \"answers\" in w + 4sqrt(w) - 12 = 0.<BR>\n" );
document.write( "w = 36 ? : 36 + 4*6 -12 = 0 ------------ false<BR>\n" );
document.write( "w = 4 ?  ; 4 + 4sqrt(4) - 12 = 0------------true<BR>\n" );
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document.write( "Final Answer: w = 4<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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