Let x be an integer. Prove that if x is not divisible by 3, then (x + 1)(x + 2) is divisible by 3

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answerhappygod
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Let x be an integer. Prove that if x is not divisible by 3, then (x + 1)(x + 2) is divisible by 3

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Let x be an integer. Prove that if x is not divisible by 3, then(x + 1)(x + 2) is divisible by 3
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