Question 519969
width =x
length =(x+4)
area = L*W

x(x+4)=165
x^2+4x=165
x^2+4x-165=0
x^2+15x-11x-165=0
x(x+15)-11(x+15)=0
(x+15)(x-11)=0

x=-15 , 11

width =11 and length = 15ft

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