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4 September, 05:08

The expression (x - 4) 2 is equivalent to x2 - 16 x2 + 16 x2 - 8x + 16 x2 + 8x + 16

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Answers (1)
  1. 4 September, 06:44
    0
    Given below

    Step-by-step explanation:

    The algebraic identity is (a-b) ^2

    = a^2 + b^2 - 2ab

    So it'll be,

    (x-4) ^2

    = x^2 + (4) ^2 - (2) (x) (4)

    = x^2 - 8x + 16

    or x^2 + 16 - 8x
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