document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1048226>Question 1048226</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the coordinates of the vertices of a triangle are P(-2;6),Q(x;2) and R(-8;a). find the value of x if the distance of PQ equals &#8730;80 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #663868 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=663868\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  the coordinates of the vertices of a triangle are P(-2;6),Q(x;2) and R(-8;a). find the value of x if the distance of PQ equals &#8730;80 <BR>\n" );
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document.write( "(x+2)^2 + (6-2)^2 = 80<BR>\n" );
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document.write( "x^2 + 4x + 4 + 16 = 80<BR>\n" );
document.write( "x^2 + 4x - 60 = 0<BR>\n" );
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document.write( "(x+10)(x-6) = 0<BR>\n" );
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document.write( "x = 6 or x = -10<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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