document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=324399>Question 324399</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve \r<BR>\n" );
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document.write( "t^2=25\r<BR>\n" );
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document.write( "I think the answer is 12.5\r<BR>\n" );
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document.write( "Can you help me? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #232168 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=232168\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Garamond\" size=\"+2\">\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ t^2\"> means multiply <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE t\ \times\ t\">\r<BR>\n" );
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document.write( "So if 12.5 is the answer, that means that <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE 12.5\ \times\ 12.5\ =\ 25\">\r<BR>\n" );
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document.write( "Get out the calculator.  12.5, X, =.  Calculator says 156.25.  Not 25.\r<BR>\n" );
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document.write( "You want the number when multiplied by itself is equal to <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE t\">.  BUT don't stop there.  Once you recall from your 3rd grade multiplication tables which number times itself equals 25 you only have half the answer.  That is because a positive number times a positive number is a positive number, but a negative number times a negative number is ALSO a positive number.  That means both the positive and the negative of the value are answers to this problem.  \r<BR>\n" );
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document.write( "The fact that this problem has two answers makes good sense -- the Fundamental Theorem of Algebra says that a non-zero polynomial equation with complex coefficients has as many roots, counting multiplicities, as the degree of the polynomial. You have a polynomial of degree 2, so there has to be two roots.\r<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi} + 1 = 0\"><BR>\n" );
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