The length of a rectangle is 5m more than twice its width. Find the area of the rectangle if its perimeter is 4m?
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Step-by-step explanation:
Let w be width. Length is 2w+5.
w(2w+5) = 75
2w²+5w-75=0
(2w+15)(w-5)=0
w =5 or w=-7.5. Choose w=5 because it is positive. 2w+5 = 15.
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