Question 200303
Area  =  Length * Width = (2w+3) * (w) = 77
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2w^2 +3w -77 = 0
,
(2w-11)(w+7) =0
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2w-11 = 0,,,,w=11/2=5.5 m
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w+7 =0,,,,,,,,w=-7  (not  reasonable)
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L= 2w+3 = 14 m
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check,,,,,A = L*W = 14*5.5= 77,,,,ok