<image>(2014 Autumn • Shenzhen School-level Mid-term) As shown in the figure, there is a fence 22 meters long, and one side utilizes a wall (the maximum usable length of the wall is 14 meters), to enclose a rectangular flower bed with an interior partition made of the fence. For convenient access, two small gates each 1 meter wide are made from other materials on side BC when building the fence around the flower bed.
(1) Let the width of the flower bed AB be x meters. Please express the length of BC in terms of x using an algebraic expression: ____ meters;
(2) If the area of the flower bed is exactly 45 m^2, find the width of the flower bed at this time.