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11 December, 19:44

6. Use synthetic substitution to evaluate the polynomial P (x) = x - 4x² + 4x - 5 for x = 4

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  1. 11 December, 22:05
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    When x=4

    P (x) = 4 - 4 (4) ^2 + 4 (4) - 5

    =4 - 4 (16) + 16 - 5

    =4 - 64 + 11

    = - 60 + 11

    = - 49
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