Determine the linear factors for p3q - pq. A) pq(p + 1)(p - 1)
B) pq(p - 1)(p - 1)
C) pq(p2 - 1)
D) pq(p2 + 1)

Determine the linear factors for x4 - 2x2 + 1.
A) (x + 1)(x + 1)(x - 1)(x - 1)
B) (x + 2)(x + 1)(x - 1)(x - 1)
C) (x + 1)(x + 1)(x - 2)(x - 1)
D) (x + 2)(x + 1)(x - 2)(x + 1)
if you could please explain thank you