Question 971060
Let the length of the garden be x.
Perimeter=2(length+width)
2(x+width)=60
x+width=30
width=30-x
Area of the garden=225
Area=length*width
x(30-x)=225
30x-x^2=225
x^2-30x+225=0
*[invoke quadratic "x", 1, -30, 225 ]
x=15
The length of the garden is 15 m.