A polynomial of the 5^{\text{th}}5 th
5, start superscript, start text, t, h, end text, end superscript degree with a leading coefficient of 777 and a constant term of 66

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