Question

Can someone show me the workings out to all of these please

Answer 1

Good morning

19) y² + 27
= y(y+27)

b) (t³)² = (t³)*(t³)
(t*t*t)*(t*t*t)
= t^6


c) Check the picture


I hope that's help !

Please give me Brainliest answer if you are satisfied with my answer.