Evaluate each expression using the variable replacements.

Mpenrow asked Mar 17, 2022

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Mpenrow asked Mar 17, 2022

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20 votes

Answer:

${n}^(2) - 3n + 8 \\ {4}^(2) - 3(4) + 8 \\ 16 - 12 + 8 \\ 4 + 8 \\ = 12$

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