document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=174954>Question 174954</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If 6 is added to a number and than subtracted from the same number, the product of the sum and the difference is 189 . What is the number? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #130035 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=130035\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  If 6 is added to a number and than subtracted from the same number, the product of the sum and the difference is 189 <BR>\n" );
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document.write( "Let the number be \"x\".<BR>\n" );
document.write( "EQUATION:<BR>\n" );
document.write( "(x+6)(x-6) = 189<BR>\n" );
document.write( "x^2 -36 = 189<BR>\n" );
document.write( "x^2 = 225<BR>\n" );
document.write( "x = 15 or x = -15<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );