document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=421716>Question 421716</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The figure below is a rectangle.Has an area of 27 square feet. Find the length and width of the figure. The length has the equation(x-3) and the width has the equation(x+3)=27 use the area formula. Area=Length x Width. </SPAN>\n" );
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document.write( "Given: Area= 27 square feet\r<BR>\n" );
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document.write( "Length=x-3<BR>\n" );
document.write( "width=x+3\r<BR>\n" );
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document.write( "Area= Length x width<BR>\n" );
document.write( "27=(x-3)(x+3)                 we know (a-b)(a+b)=a^2-b^2\r<BR>\n" );
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document.write( "27= x^2 -9                  \r<BR>\n" );
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document.write( "x^2=36\r<BR>\n" );
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document.write( "x= square root of 36<BR>\n" );
document.write( "x=6\r<BR>\n" );
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document.write( "Therefore length=x-3=6-3=3<BR>\n" );
document.write( "Width=x+3=6+3=9\r<BR>\n" );
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document.write( "So, length=3feet<BR>\n" );
document.write( "width=9 feet </SPAN>\n" );
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