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3 September, 14:42

Multiply each pair of conjugates

(2 sqrt6 + 8) (2 sqrt6 - 8)

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  1. 3 September, 14:49
    0
    Answer: - 40

    Step-by-step explanation:

    (2 sqrt6 + 8) (2 sqrt6 - 8)

    (2√6 + 8) (2√6 - 8)

    2√6 (2√6 - 8) + 8 (2√6 - 8)

    (2√6) ^2 + (2√6 * - 8) + (8 * 2√6) + (8 * - 8)

    (4 * 6) + (-16√6) + (16√6) + (-64)

    24 - 16√6 + 16√6 - 64

    24 - 64

    -40
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