A rectangle has an area of 12 square inches, and the rectangle's length is 11 inches greater than its width.
If x represents the width of the rectangle, which equations must be true? Select all that apply.
A( ) x(x+11)=12
B( ) 2x+2(x+11)=12
C( ) (x+11)x=12
D( ) x(11x)=12