document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=925683>Question 925683</A>: <I><SPAN STYLE=\"word-break: break-all;\"> PLEASE HELP ME IF ANYONE CAN<BR>\n" );
document.write( "FOR WHICH OF THE FOLLOWING EQUATIONS IS X=-2 a ROOT?<BR>\n" );
document.write( "(1)2/X-X=0<BR>\n" );
document.write( "(2)X^2+4=0<BR>\n" );
document.write( "(3)X^7+4X+4=0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #561698 by </B><A HREF=/tutors/aboutme.mpl?userid=CharlesG2><B>CharlesG2(834)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=CharlesG2><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=561698\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> PLEASE HELP ME IF ANYONE CAN<BR>\n" );
document.write( "FOR WHICH OF THE FOLLOWING EQUATIONS IS X=-2 a ROOT?<BR>\n" );
document.write( "(1)2/X-X=0<BR>\n" );
document.write( "(2)X^2+4=0<BR>\n" );
document.write( "(3)X^7+4X+4=0\r<BR>\n" );
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document.write( "did all 3 below \r<BR>\n" );
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document.write( "(1) 2/x - x = 0<BR>\n" );
document.write( "    (2 - x^2)/x = 0 (using common denominator x)<BR>\n" );
document.write( "     2 - x^2 = 0<BR>\n" );
document.write( "      -x^2 = -2<BR>\n" );
document.write( "       x^2 = 2<BR>\n" );
document.write( "   ((( x = +- sqrt(2) )))\r<BR>\n" );
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document.write( "(2) x^2 + 4 = 0<BR>\n" );
document.write( "      x^2 = -4 <BR>\n" );
document.write( "      x^2 = -1 * 4<BR>\n" );
document.write( "       x = i * +-2<BR>\n" );
document.write( "       x = +- 2i  (i is the imaginary root of -1)\r<BR>\n" );
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document.write( "(3) x^7 + 4x + 4 = 0<BR>\n" );
document.write( "well I certainly not gonna do this one<BR>\n" );
document.write( "I think you mean x^2 + 4x + 4 = 0 and did a typing error\r<BR>\n" );
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document.write( "x^2 + 4x + 4 = 0<BR>\n" );
document.write( "(x + 2)(x + 2) = 0 (use FOIL (first outer inner last) and you will see it equals previous line)<BR>\n" );
document.write( "x = -2<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );