Factor x4−13x2+36x^4 - 13x^2 + 36x4−13x2+36 completely.
(x−2)(x+2)(x−3)(x+3)(x-2)(x+2)(x-3)(x+3)(x−2)(x+2)(x−3)(x+3)
(x−6)(x+6)(x−1)(x+1)(x-6)(x+6)(x-1)(x+1)(x−6)(x+6)(x−1)(x+1)
(x2−13)(x2+36)(x^2-13)(x^2+36)(x2−13)(x2+36)
(x−4)(x+4)(x−9)(x+9)(x-4)(x+4)(x-9)(x+9)(x−4)(x+4)(x−9)(x+9)