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10 August, 21:25

Evaluate the expression when x=10, y=-2, and z=-5. - x2+6zy=

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Answers (2)
  1. 10 August, 21:39
    0
    x = 10

    y = - 2

    z = - 5

    -x2 + 6zy = ?

    Plug it in:

    - (10) (2) + 6 (-5) (-2) = ?

    -10 x 2 + 6 x 10=?

    -20 + 60 = 40

    Therefore, plugging the values in would make it equal 40.
  2. 10 August, 21:44
    0
    - 40

    Step-by-step explanation:

    - x² + 6zy =

    - 10² + 6 * ( - 5) (-2)

    - 100 + 6*10

    - 100 + 60

    - 40
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