Evaluate: 3xy^2+7x-2y for X= -1 y= 3

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Evaluate:

3xy^2+7x-2y for X= -1 y= 3

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Yến Oanh 3 years 2021-08-08T10:49:41+00:00 1 Answers 13 views 0

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  1. Cherry
    0
    2021-08-08T10:50:42+00:00
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    Answer:

    -94

    Step-by-step explanation:

    (3 (-1) (3))² + 7(-1) – 2(3)

    -9² – 7 -6

    -81 – 13

    -94

    hope this helps 🙂

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