rooting phone, removing apps

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http://forums.androidcentral.com – My mobile service is Cricket and I have a Samsung Galaxy S3 (SCH-R530C) phone. I would like to remove some of the apps that I do use, such as Google Music, Google Books. To do this, it is my understanding that I need to "root" the phone. Is it possible to find instructions for my specific model phone/mobile carrier? Thanks for any help. (HowTos)