Factor 9z4−25z2+169z^4 - 25z^2 + 169z4−25z2+16 completely.
(3z−4)(3z+4)(z−1)(z+1)(3z-4)(3z+4)(z-1)(z+1)(3z−4)(3z+4)(z−1)(z+1)
(3z2−4)(3z2+4)(z−1)(z+1)(3z^2-4)(3z^2+4)(z-1)(z+1)(3z2−4)(3z2+4)(z−1)(z+1)
(9z2−16)(z2−1)(9z^2-16)(z^2-1)(9z2−16)(z2−1)
(3z−1)(3z+1)(z−4)(z+4)(3z-1)(3z+1)(z-4)(z+4)(3z−1)(3z+1)(z−4)(z+4)