document.write( "Question 1061514: the length of a rectangular garden is one meter less than twice its width. if the area of the garden is 45m^2, then what are its length and width? \n" ); document.write( "

Algebra.Com's Answer #676289 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+L+=+2W+-+1+\"$
\n" ); document.write( " $\"+A+=+L%2AW+\"$
\n" ); document.write( " $\"+45+=+L%2AW+\"$
\n" ); document.write( " $\"+45+=+%28+2W+-+1+%29%2AW+\"$
\n" ); document.write( " $\"+45+=+2W%5E2+-+W+\"$
\n" ); document.write( " $\"+2W%5E2+-+W+-+45+=+0+\"$
\n" ); document.write( "I can use the quadratic formula:
\n" ); document.write( " $\"+W+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"$
\n" ); document.write( " $\"+a+=+2+\"$
\n" ); document.write( " $\"+b+=+-1+\"$
\n" ); document.write( " $\"+c+=+-45+\"$
\n" ); document.write( " $\"+W+=+%28-%28-1%29+%2B-+sqrt%28+%28-1%29%5E2-4%2A2%2A%28-45%29+%29%29%2F%282%2A2%29+\"$
\n" ); document.write( " $\"+W+=+%28+1+%2B-+sqrt%28+1+%2B+360+%29%29%2F4+\"$
\n" ); document.write( " $\"+W+=+%28+1+%2B+19+%29+%2F+4+\"$
\n" ); document.write( " $\"+W+=+20%2F4+\"$
\n" ); document.write( " $\"+W+=+5+\"$ ( can't use the negative square root )
\n" ); document.write( "and
\n" ); document.write( " $\"+L+=+2W+-+1+\"$
\n" ); document.write( " $\"+L+=+2%2A5+-+1+\"$
\n" ); document.write( " $\"+L+=+9+\"$
\n" ); document.write( "The length is 9
\n" ); document.write( "The width is 5\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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