Janae bought a new house. the house is quite large, 2500 square feet, and has a nice sized backyard. she bought the house on a foreclosure, so she got a great deal: $129,900! janae has a dog, lyle, who is 18 years old. lyle loves to play in the yard, but janae's new house does not have a fenced in yard. before janae puts up a fence, she wants to know how big her yard is. her yard measured as follows:

length: (x-7)

width: (x+2)

using foil or box method, what is the expression that represents the backyards total area? (area = length x width)