A square kitchen garden has a side length of (2y+11). Expand the expression for the area of the garden.

The kitchen garden is in the shape of a square, and each side measures $(2y+11)$.

The area $A$ of a square with side length $s$ is given by $A = s^2$.
Substitute the given side length:

In this expression, $a = 2y$ and $b = 11$.
Substitute these values into the identity:

The area of the kitchen garden is: