document.write( "Question 250419: the width of a rectangle is 8 cm. less than its length and the area is 20 sq cm. what are the dimensions of the rectangle? \n" ); document.write( "

Algebra.Com's Answer #182408 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+A=L%2AW=20+\"$
\n" ); document.write( " $\"+W=L-8\"$
\n" ); document.write( " $\"+L%2A%28L-8%29=20\"$
\n" ); document.write( " $\"+L%5E2-8L=20\"$
\n" ); document.write( " $\"+L%5E2-8L-20=0\"$
\n" ); document.write( "Factor
\n" ); document.write( " $\"+%28L-10%29%28L%2B2%29=0\"$
\n" ); document.write( "Keep only the positive solution.
\n" ); document.write( " $\"+L-10=0\"$
\n" ); document.write( " $\"+L=10\"$
\n" ); document.write( " $\"+W=L-8\"$
\n" ); document.write( " $\"+W=2\"$ \r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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