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6 December, 15:23

Evaluate 5x^2-9 when x=2

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  1. 6 December, 15:33
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    5x² - 9 = 11 when x = 2

    Step-by-step explanation:

    When x = 2, we replace x with 2 in the given expression

    5 (2) ² - 9

    5 (4) - 9

    20 - 9 = 11
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