Here is the optimal full body split for a beginner. 3 sets until failure for every exercise listed while performing 3x a week. You will alternate routines A B A -> B A B weekly.

Routine A

Bench press

Lateral Raises

Seated Rows

Preacher Curls

Leg Press

Leg Extensions

Hamstring Curls

Routine B

Romanian Dumbbell Deadlifts

Lat pull-downs

Overhead shoulder press

Preacher curl

Leg Press

Leg Extensions

Hamstring Curls