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12 November, 02:34

The equation which correctly represents this situation is

A) x2 = 306

B) 2x2 = 306

C) x2 + x = 306

D) 2x2 + x = 306

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  1. 12 November, 04:14
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    C) x2 + x = 306

    Step-by-step explanation:

    x2 + x = 306

    x2 + x - 306 = 0

    x2 + 18x - 17x + 18 * (-17) = 0

    x (x + 18) - 17 (x + 18) = 0

    (x + 18) (x - 17) = 0

    x = - 18 or 17
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