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28 February, 07:05

Evaluate 9x + 3xy - 2 for x = 3 and y = - 3.

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  1. 28 February, 09:45
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    Step-by-step explanation:

    Given

    9x + 3xy - 2

    Substitute x = 3 and y = - 3 into the expression

    = 9 (3) + 3 (3) ( - 3) - 2

    = 27 - 27 - 2 = - 2
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