Solve this, x=1/(2-√3) y=1/(2+√3) x^4+y^4=?

Adam drew two same size rectangles and divided them into the same number of equal parts. he shaded 1/3 of one rectangle and 1/4 of the other rectangle. what is the least number of parts into which both rectangles could be divided into?

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?

(-y to the power of 2 - 4y- to the power of 2 -6 y +3)