Determine an expression that would represent the missing side if the perimeter is 8x² + 2x-7 5x2 + 4x-1
2x2 + 3
A
2x2 + 2x - 3
B
22 – 2x – 9
C
7x2 + 41 + 2
D
3.x2 + 2x

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