Question: How do you solve this? 2. Prove that if x = 5m + 2 and y = 5n + 2, where m and n are

How do you solve this?
How do you solve this? 2. Prove that if x = 5m

2. Prove that if x = 5m + 2 and y = 5n + 2, where m and n are integers, then xy does not have the form 5k + 2 for some integer k

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