Prove that if x2 x 1 is even, then x is odd, where x is an integer You need to identify a method you choose Your solution has to match with it 1 answer

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Question: Prove that ??if x2 + x + 1 is even, then x is odd, where x is an integer.? You need to identify a method

Prove that â??if x2 + x + 1 is even, then x is odd, where x is an integer.â? You need to identify a method you choose. Your solution has to match with it. 1 answer

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