Please help!! 2 - 7 when x = - 1

Zoltan Vinkler asked Dec 19, 2022

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44 votes

Zoltan Vinkler asked Dec 19, 2022

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16 votes

2-7 when x=-1?
2-7=-5?
What’s x=-1 information for?

Egor Wexler answered Dec 24, 2022

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