document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=194229>Question 194229</A>: <I><SPAN STYLE=\"word-break: break-all;\"> simplify assume that the expression under the radical represents a nonnegative real number   2)square root z to the second power plus 6z plus 9 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #145775 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=145775\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> square root z to the second power plus 6z plus 9<BR>\n" );
document.write( "---------<BR>\n" );
document.write( "sqrt(z^2 + 6z + 9)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "= sqrt[(z+3)^2]<BR>\n" );
document.write( "---<BR>\n" );
document.write( "= z+3<BR>\n" );
document.write( "===============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );