document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=597446>Question 597446</A>: <I><SPAN STYLE=\"word-break: break-all;\"> HI COULD YOU PLEASE EXPLAIN THE ANSWER.\r<BR>\n" );
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document.write( "SQUARE ROOT OF (Z+5)= 2Z </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #378210 by </B><A HREF=/tutors/aboutme.mpl?userid=unlockmath><B>unlockmath(1688)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=unlockmath><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=unlockmath><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=378210\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hello, <BR>\n" );
document.write( "This SQUARE ROOT OF (Z+5)= 2Z is solved by squaring both sides to get:<BR>\n" );
document.write( "Z+5= (2Z)^2<BR>\n" );
document.write( "Subtract Z and 5:<BR>\n" );
document.write( "0=4z^2-z-5<BR>\n" );
document.write( "Factor:<BR>\n" );
document.write( "0=(4z-5)(z+1)<BR>\n" );
document.write( "Solve for z<BR>\n" );
document.write( "4z-5=0<BR>\n" );
document.write( "z=5/4<BR>\n" );
document.write( "and <BR>\n" );
document.write( "z=-1<BR>\n" );
document.write( "Now plug these answers into the original and see if they work. You'll find one of these answers don't work. I'll let you find out which one it is. <BR>\n" );
document.write( "RJ<BR>\n" );
document.write( "www.math-unlock.com </SPAN>\n" );
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