Simplify the following questions 5(3x -1) -2x+6-3x-5 36x+12. 7-)-10+4x. 4(5m-+7n)

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)