(t-2)/(t+4) x (4t+16)/(2t^2-8)

Answer 1

Ok, your common denominator is

2(t+4)(t-2)(t+2)

Answer 2

lots of factoring here, and lots of canceling.

(t-2)/(t+4) x 4(t+4)/[2(t-2)(t+2)]
= 2/(t+2), where t is NOT equal to 2,-4

Most likeylBob saw your x as a +

Answer 3

Thank you so much.