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20 November, 03:35

Find the value of x2 - 8x + 9 when x = 7.

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  1. 20 November, 06:29
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    Step-by-step explanation:

    x^2 - 8x+9

    Let x=7

    7^2 - 8*7 + 9

    49 - 56 + 9

    -7+9

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