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5 September, 07:25

X^2-8x+21 determine the values of h an k that make the experssion (x-h) ^2 + k

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  1. 5 September, 08:48
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    We have x^2 - 2·4·x + 4^2 + 5 = (x - 4) ^2 + 5.

    Then, h = 4 and k = 5.
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