I have a 40 question assignment I only need help with 19 can someone give there insta and help me there please I would really appreciate it I don’t have a lot of points so I can’t post the whole 19 question here It’s all math geometry

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field