Which of these (x,y)(x, y)(x,y) satisfy x2−y2=7x^2 - y^2 = 7x2−y2=7?
(4,3)(4, 3)(4,3)
(4,−3)(4, -3)(4,−3)
(−4,3)(-4, 3)(−4,3)
(3,2)(3, 2)(3,2)