document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=442079>Question 442079</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the equation 25x2 - 64 = 0 using the quadratic formula. (Notice b = 0. Enter solutions from smallest to largest.) <BR>\n" );
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document.write( "x =  ?\r<BR>\n" );
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document.write( "Please show me the steps to get the answer. Thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #304971 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=304971\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use the quadratic formula, with a = 25, b = 0, c = -64:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE x = \frac{0 \pm \sqrt{0^2 - 4(25)(-64)}}{2(25)} = \pm \frac{80}{50} = \pm \frac{8}{5}\">\r<BR>\n" );
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document.write( "A faster way to solve this is to note that\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE 25x^2 = 64 \Rightarrow x^2 = \frac{64}{25} \Rightarrow x = \pm \sqrt{\frac{64}{25}} = \pm \frac{8}{5}\">. </SPAN>\n" );
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