document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=994579>Question 994579</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find all X and Y (in R) so that A*A=A*B<BR>\n" );
document.write( "A=[ X, 0<BR>\n" );
document.write( "   -3, Y] \r<BR>\n" );
document.write( "\n" );
document.write( "B=[2, 0<BR>\n" );
document.write( "   4, Y]\r<BR>\n" );
document.write( "\n" );
document.write( "I've tried this: <BR>\n" );
document.write( "A*A=[X^2,     0<BR>\n" );
document.write( "     -3X-3Y, Y^2]<BR>\n" );
document.write( "A*B=[2X,     0<BR>\n" );
document.write( "     -6+4Y, Y^2]\r<BR>\n" );
document.write( "\n" );
document.write( "X^2=2X <BR>\n" );
document.write( "X^2-2X=0 <BR>\n" );
document.write( "X*(X-2)=0<BR>\n" );
document.write( "X1=0 X2=2\r<BR>\n" );
document.write( "\n" );
document.write( "-3X-3Y=-6+4Y<BR>\n" );
document.write( "6=7Y <BR>\n" );
document.write( "Y1=6/7<BR>\n" );
document.write( "Y2=0\r<BR>\n" );
document.write( "\n" );
document.write( "Is my solution correct? Thank you!<BR>\n" );
document.write( "   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #613724 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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/cgi-bin/show-face.mpl?user=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=613724\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Yes, (X,Y)=(0,6/7) and (X,Y)=(2,0) are correct.<BR>\n" );
document.write( "Well done. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );