The equation x2−y2=8x^2 - y^2 = 8x2−y2=8 factors as (x−y)(x+y)=8(x - y)(x + y) = 8(x−y)(x+y)=8. Which pair (x,y)(x, y)(x,y) is an integer solution?
(3,1)(3, 1)(3,1)
(5,3)(5, 3)(5,3)
(2,2)(2, 2)(2,2)
(4,0)(4, 0)(4,0)