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18 September, 07:37

Which value is needed to create a perfect square trinomial

from the expression x2 + 8x + ?

+2
Answers (2)
  1. 18 September, 08:53
    0
    the answer to this would be 16
  2. 18 September, 10:44
    0
    16

    Step-by-step explanation:

    To complete the square

    add (half the coefficient of the x - term) ²

    x² + 2 (4) x + 4²

    = x² + 8x + 16 = (x + 4) ² ← perfect square
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