document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1156398>Question 1156398</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Add the proper constant to the binomial so that the resulting trinomial is a perfect square. Then factor the trinomial.\r<BR>\n" );
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document.write( "problem: r^2+22r </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #779091 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=779091\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Add the proper constant to the binomial so that the resulting trinomial is a perfect square.<BR>\n" );
document.write( " Then factor the trinomial.<BR>\n" );
document.write( "problem: r^2+22r<BR>\n" );
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document.write( "To find this, divide the coefficient of r by 2, then square it; 11^2 = 121<BR>\n" );
document.write( "r^2 + 22r + 121<BR>\n" );
document.write( "Factors to<BR>\n" );
document.write( "(r+11)(r+11) </SPAN>\n" );
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