Which of the following is NOT an integer solution to x2−y2=8x^2 - y^2 = 8x2−y2=8?
(3,1)(3, 1)(3,1)
(3,−1)(3, -1)(3,−1)
(0,0)(0, 0)(0,0)
(3,2)(3, 2)(3,2)