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5 December, 05:44

The surface area of the box of cereal displayed below is 2x^2+48x+88. What is the value of x if the box of cereal has an area of 192in^2?

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  1. 5 December, 07:28
    0
    Value of x is 2

    Step-by-step explanation:

    Surface area is given by 2x²+48x+88

    We need to find x when surface area is 192.

    A = 2x²+48x+88

    2x²+48x+88 = 192

    2x²+48x - 104 = 0

    x² + 24x - 52 = 0

    (x - 2) (x + 26) = 0

    x = 2 or x = - 26 not possible

    Value of x is 2
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