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19 December, 08:14

What is the answer

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2 (x - 1) ^2 + 4=16

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  1. 19 December, 08:27
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    Using quadratic formula:

    2 (x^2-2x + 1) + 4=16

    2x^2-4x+6=16

    2x^2-4+6-16=0 (then divide both sides by 2)

    X^2 - 2x - 5 = 0

    Then use quadratic formula

    Answer is;

    x = 1 + square root of 6

    x = 1 - square root of 6
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