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30 December, 05:49

Find the value of (x^2-5x + 4) if x = 7.

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  1. 30 December, 07:23
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    18 is the value of the equation when x = 7.

    Step-by-step explanation:

    x² - 5x + 4

    If x = 7

    Substitute for 'x' in the given equation.

    7² - 5 (7) + 4

    interpret the expression

    (7x7) - 5 (7) + 4

    Solve the brackets

    49 - 35 + 4

    Simplify further

    18
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