Which value is equivalent to (7•3•2/7•5) ^2 × (7^0/5^-3)^3 × 5^-9 (please help I'm confused picture makes more sense)

36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)