document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=264276>Question 264276</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Fifteen less than the square of a number is the same as twice the number. find the number(s). </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #194594 by </B><A HREF=/tutors/aboutme.mpl?userid=Ruli><B>Ruli(21)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Ruli><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=194594\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 15 less than the square of a number x^-15<BR>\n" );
document.write( "is the same as twice the number = 2x\r<BR>\n" );
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document.write( "x^-15 = 2x<BR>\n" );
document.write( "x^-2x-15<BR>\n" );
document.write( "(x-5)(x+3)<BR>\n" );
document.write( "x = 5 or x =-3\r<BR>\n" );
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document.write( "check:<BR>\n" );
document.write( "1)5^-15 = 2(5)<BR>\n" );
document.write( "  25-15 = 10<BR>\n" );
document.write( "  10 = 10<BR>\n" );
document.write( "or<BR>\n" );
document.write( "2)-3^-15 = 2(-3)<BR>\n" );
document.write( "  9-15 = -6<BR>\n" );
document.write( "  -6 = -6 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );