I need some help with this calculus 1 question

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

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?

Which of the following is equal to the rational expression when x is not equal to -2 or -6?