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15 June, 12:04

If X = - 2, calculate the value of: x2 + 2x

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Answers (2)
  1. 15 June, 13:43
    0
    -2 * 2 equals - 4, - 4 + - 4 equals - 8
  2. 15 June, 15:58
    0
    X2+2x = ? if x=-2

    if we replace x with - 2 we get - 2*2 + 2 * (-2)

    the answer is - 4-4=-8
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