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9 September, 09:20

What is h (x) = 7 + 10x + x2 written in vertex form?

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  1. 9 September, 13:13
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    h (x) = (x + 5) ² - 18

    Step-by-step explanation:

    h (x) = 7 + 10x + x²

    h (x) = x² + 10x + 7

    Complete the square. (10/2) ² = 25, so:

    h (x) = x² + 10x + 25 - 18

    h (x) = (x + 5) ² - 18
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