Factor the polynomial: –x3 – 3x2 – 4x a. –x(x2 + 3x + 4) b. –x(–x2 – 3x – 4) c. –x(x2 + 3x – 4x) d. x(x2 + 3x + 4

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)