document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=754058>Question 754058</A>: <I><SPAN STYLE=\"word-break: break-all;\">  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #458768 by </B><A HREF=/tutors/aboutme.mpl?userid=blueplanet><B>blueplanet(7)</B></A><img src=\"/images/stars/stars-05.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=blueplanet><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=blueplanet><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=458768\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The amount of Joan's savings is to be squared and then doubled. The amount will then be $45 more than her present savings. How much has she saved at present? \r<BR>\n" );
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document.write( "I need to put this into a quadratic equation and then solve, but I am finding it a little hard. Thanks. \r<BR>\n" );
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document.write( "Ans:\r<BR>\n" );
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document.write( "Let the present amount of Joan's savings be x.\r<BR>\n" );
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document.write( "According to the question, her present savings will be squared and doubled. This means the amount of her future savings will become 2*x^2.\r<BR>\n" );
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document.write( "But her future savings will be $45 more than her present savings. This means:\r<BR>\n" );
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document.write( "2*x^2 = x + 45   ------------- (1)\r<BR>\n" );
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document.write( "Solving this equation  (i.e. equation 1), we get x = -9/2 or 5.  x=-9/2 is not a realistic solution. So, the amount of her present savings should be $5. </SPAN>\n" );
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