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30 November, 18:15

Value of - x2 - 4x - 11 if x = - 3

+4
Answers (2)
  1. 30 November, 20:21
    0
    -8

    Step-by-step explanation:

    -x^2 - 4x - 11

    - (-3) ^2 - 4 (-3) - 11

    -9 - (-12) - 11

    -9 + 12 - 11

    3 - 11

    -8
  2. 30 November, 20:50
    0
    -8

    Step-by-step explanation:

    - x2 - 4x - 11

    Let x = - 3

    - (-3) ^2 - 4 (-3) - 11

    Exponents first

    -9 - 4 (-3) - 11

    Then multiply

    - (9) + 12-11

    Now add and subtract

    3-11

    -8
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