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Mathematics, 04.11.2021 17:10 kiannadgarnica

Which of the following shows the correct first step to solve x^2-16x=-21 by completing the square?


Which of the following shows the correct first step to solve x^2-16x=-21 by completing the square?

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Which of the following shows the correct first step to solve x^2-16x=-21 by completing the square? <...
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