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Mathematics, 25.08.2021 01:10 amoauya

Mr. McGill is evaluating the following problem: x2 – 5 if x=-2. The first thing he does is plugs in -2 for x. Next, he squares the negative 2 and gets -4. Last, he
subtracts -4-5 and gets -9 as his answer. What mistake was made and what is the
correct answer.

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