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21 July, 10:38

What is 4x (x/3-2) when x = - 3?

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  1. 21 July, 12:54
    0
    36

    Step-by-step explanation:

    Evaluate 4 x (x/3 - 2) where x = - 3:

    4 x (x/3 - 2) = - 3*4 ((-3) / 3 - 2)

    The gcd of - 3 and 3 is 3, so (-3) / 3 = (3 (-1)) / (3*1) = 3/3*-1 = - 1:

    -3*4 (-1 - 2)

    -1 - 2 = - (1 + 2):

    -3*4 * - (1 + 2)

    1 + 2 = 3:

    -3*4 (-3)

    4 (-3) = - 12:

    -3-12

    -12 (-3) = 36:

    Answer: 36
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