Question 1115830
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L*W = 220


(W+12)*W = 220


W^2 + 12W - 220 = 0


Factorize left side:


(W+22)*(W-10) = 0


The only positive root W = 10 is the solution.


<U>Answer</U>.  The dimensions of the rectangle are 10 (width) and (10+12) = 22 centimeters (length).
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