document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=113765>Question 113765</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0073016020/algebrahomeworkh>Beginning Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> The length of a rectangle is 3cm more than 2 times the width. If the area of the rectangle is 99 cm^2, find the dimensions of the rectangle to the nearest thousandth. \r<BR>\n" );
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document.write( "The equation I got from this is:<BR>\n" );
document.write( "x(2x+3)=99\r<BR>\n" );
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document.write( "I have worked it to this point, and gotten stuck.  <BR>\n" );
document.write( "2x^2+3x=99<BR>\n" );
document.write( "2x^2+3x-99=0\r<BR>\n" );
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document.write( "I am not sure what to do after this.  I have tried to factor this, but am not able to.  What do I do now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #82768 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=82768\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> L=3+2W<BR>\n" );
document.write( "AREA=L*W<BR>\n" );
document.write( "99=(3+2W)W<BR>\n" );
document.write( "99=3W+2W^2<BR>\n" );
document.write( "2W^2+3W-99=0<BR>\n" );
document.write( "USING THE QUADRATIC EQUATION <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+ ALIGN=MIDDLE  ALT=\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "YOU GET:<BR>\n" );
document.write( "W=(-3+-SQRT[3^3-4*2*-99])/2*2<BR>\n" );
document.write( "W=(-3+-SQRT[9+792])/4<BR>\n" );
document.write( "W=(-3+-SQRT801)/4<BR>\n" );
document.write( "W=(-3+-28.3)/4<BR>\n" );
document.write( "W=(-3+28.3)/4<BR>\n" );
document.write( "W=25.3/4<BR>\n" );
document.write( "W=6.325 FOR THE WIDTH.<BR>\n" );
document.write( "L=3+2*6.325<BR>\n" );
document.write( "L=3+12.65<BR>\n" );
document.write( "L=15.65 FOR THE LENGTH.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( "99=(3+2*6.325)*6.325<BR>\n" );
document.write( "99=(3+12.65)*6.325<BR>\n" );
document.write( "99=15.65*6.325<BR>\n" );
document.write( "99~99\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );