Question 205980
Area  =  Length  *  Width
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but  W=L-2
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A=LW = L(L-2) = L^2 -2L = 8,,,,,given
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L^2 -2L -8 =0,,,,,,,,,factor
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(L-4)(L+2)=0
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L= 4,,-2 ( not  realistic)
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W= L-2 = 4-2 = 2
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check,,,,A=LW=4*2=8,,,,,ok