(t-2)/(t+4) x (4t+16)/(2t^2-8)
Ok, your common denominator is
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 +
Thank you so much.