Fortunately for you, there are multiple ways of repairing your scratched discs, there are kits and DIY ways of fixing discs. However, seeing as you already tried the famous toothpaste trick, you'll have to be looking at a disc repair kit. A quick google will help you along your path of finding such sets. Now you might think:" But I don't want to waste money on repairing this one disc", I get that thought just fine, but think of the future, you're probably gonna have another scratched disc in the future, and a repair kit will be by your side to best those scratches. In short: Invest in a repair kit, you'll love it.