1wlti
contestada

What is the completely factored form of t4 − 16?

(t2 + 4)(t2 − 4)
(t2 + 4)(t + 2)(t − 2)
(t2 + 4)(t − 2)(t − 2)
(t + 2)(t + 2)(t + 2)(t − 2)