-2²-3(-2)+7 I think it’s 17 but idk

Question

-2²-3(-2)+7

I think it’s 17 but idk

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Thiên Di 3 years 2021-09-02T18:39:26+00:00 1 Answers 5 views 0

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  1. yenoanh
    0
    2021-09-02T18:41:25+00:00
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    Answer:

    9

    −2^2−(3)(−2)+7

    =−4−(3)(−2)+7

    =−4−(−6)+7

    =2+7

    =9

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )