Evaluate q2 + 2qp – 313 when q =-1, r= 2 and p=-4.

Question

Evaluate q2 + 2qp – 313 when q =-1, r= 2 and p=-4.

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RuslanHeatt 5 years 2021-07-25T03:02:20+00:00 1 Answers 13 views 0

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  1. Neala
    0
    2021-07-25T03:03:50+00:00
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    Answer:

    -307

    Step-by-step explanation:

    the equation changes to

    (-1 times 2) + (2 times -1 times -4) – 313

    -2              +      8                         -313

    combine like terms

    -315 +8

    =

    -307

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