There are a few tips and techniques for how to break 80; while none of these replace the need to practice and keep practicing to improve your technique, they will help you to get better at your game. Golf swing mechanics are important. While distance is important, accuracy is also just as important. It is almost impossible to hit the ball accurately over a very long distance, so you need to plan your strategy and make sure that you hit the ball far enough without hitting it in the wrong direction.
The old saying, 'plan your work and work your plan' applies well to golf. Plan what golf driving technique you will use and when you will use it and stick to your plan. This approach works particularly well if you are familiar with the golf course you are playing on; if you are playing golf at an unfamiliar course, then it may take some time and practice before you are able to map out your strategy well.
Make sure to use the right golf iron. Keep a few with you at all times so that you can pick out the one you need at the time you need it. All the driving techniques and swing mechanics in the world can not make up for using the right club at the right time. Also, watch your posture and alignment and be sure your body is aligned to the ball properly.
One final tip is to make sure to keep your cool. While golf can be a relaxing and enjoyable game, many players get upset with themselves when they miss a shot; they are concentrating too hard on how to break 80 and they get too uptight. This will negatively affect your judgment when deciding what club to use and what swing to use. Relax and if you make a mistake, then do not beat yourself up over it. Keep practicing, keep studying up different tips to help your game improve and try out a few golf training aids to help you improve your weak areas. As you keep practicing, you will keep improving.