Question 1160184
Total area - garden area = 12

*[illustration 2garden_plot.png]

Length =2x+4
width =x+3

(2x+4)(x+3)-12 =12

2x^2+6x+4x+12-12=12

2x^2+10x-12=0
divide by 2
x^2+5x-6=0
(x+6)(x-1)=0

x=-6 or x=1
X=-6 ignore

width =1 m