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21 May, 14:09

What is the value of - 2 x^2 + 4y if x = - 2 and y = 3

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Answers (1)
  1. 21 May, 14:30
    0
    Substitute the values

    -2 (-2) ^2+4 (3)

    First evaluate the exponent.

    -2 (4) + 4 (3)

    Then evaluate multiplication.

    -8+4 (3)

    -8+12

    Then add.

    Final answer:4
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