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2 March, 21:49

2abc - 3ab = - 30? if a = 2, b = - 3 and c = 4

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  1. 2 March, 22:08
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    Is your question true or false?

    2abc - 3ab = - 30? if a = 2, b = - 3 and c = 4

    plug in

    2 (2) (-3) (4) - 3 (2) (-3) = - 30

    Simplify

    -48 + 18 = - 30

    -30 = - 30

    Both sides are equal so

    It's true.
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