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 #378206 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=378206\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> sqrt(z+5)= 2z<BR>\n" );
document.write( "z+5=4z^2 square each side.<BR>\n" );
document.write( "4z^2-z-5=0<BR>\n" );
document.write( "4*-5=-20. the factors of -20 whose sum is -1 are -5 and 4<BR>\n" );
document.write( "4z^2+4z-5z-5=0<BR>\n" );
document.write( "4z(z+1)-5(z+1)=0<BR>\n" );
document.write( "(4z-5)(z+1)=0<BR>\n" );
document.write( "4z=5<BR>\n" );
document.write( "z=5/4 This is the only answer. <BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed </SPAN>\n" );
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