document.write( "Question 295463: The width of a rectangle is 5 inches less than its length and the area is 36 square inches. What are the length and width of the rectangle? \r
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Algebra.Com's Answer #212935 by alicealc(293) $\"\"$ $\"About$

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width = w
\n" ); document.write( "length = x
\n" ); document.write( "w = x - 5
\n" ); document.write( "area = 36
\n" ); document.write( "w * x = 36
\n" ); document.write( "(x - 5) * x = 36
\n" ); document.write( " $\"x%5E2+-+5x+=+36\"$
\n" ); document.write( " $\"x%5E2+-+5x+-+36+=+0\"$
\n" ); document.write( " $\"%28x+-+9%29%28x+%2B+4%29+=+0\"$
\n" ); document.write( "x - 9 = 0 or x + 4 =0
\n" ); document.write( "x = 9 or x = -4\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "because the length can't be in negative number, so the length is 9 inches, and the width is x - 5 = 9 - 5 = 4 inches \n" ); document.write( "

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