document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=140936>Question 140936</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the value of the discriminant and give the number of real solutions. <BR>\n" );
document.write( "4(x^2+5x)=25 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #102724 by </B><A HREF=/tutors/aboutme.mpl?userid=nabla><B>nabla(475)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nabla><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=102724\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4(x^2+5x)=25<BR>\n" );
document.write( "4x^2+20x-25=0\r<BR>\n" );
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document.write( "The discriminant for a quadratic polynomial in form ax^2+bx+c is b^2-4ac.<BR>\n" );
document.write( "You should be able to solve this problem for yourself at this point (and you should try), but the answer is as follows:\r<BR>\n" );
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document.write( "20^2-4(4)(-25)=400+400=800.<BR>\n" );
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