Question

derivation of v2-u2=2as

Answer 1

there is a simple way which is v=u+at -> t = v-u/a s = (v+u)t/2 so s = (v+u)*(v-u)/2a 2as = (v+u)(v-u) 2as = v2-u2 v2=u2+2as 

Reference https://www.physicsforums.com/threads/derive-v2-u2-2as.633623/

Answer 2

Is it help you, my derivation in easy