Simplify the area expression of a rectangle when its side lengths are

a) [[$ x $]] and [[$ x + 2 $]].

b) [[$ x - 2 $]] and [[$ 2x + 1 $]].

c) [[$ 2x + 2 $]] and [[$ x - 1 $]].

d) [[$ 3x - 2 $]] and [[$ 2x - 1 $]].

Take a picture of your solution and return it to the submission folder.

Solution