document.write( "Question 845555: the area of a rectangular picture frame is 80 in^2. if area function is A(w)= W^2+2W, where W is the width, find the width and length.
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Algebra.Com's Answer #509347 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( " W^2 + 2W = 80IN^2
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document.write( " W^2 + 2W - 80 = 0
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document.write( " (W+10)(W-8) = 0,  W = 8in      (Tossing out the negative solution for unit measure)
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document.write( "and L = 10in  as   A = 80in^2    \n" );
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