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18 June, 08:09

Factor the equation 45x - 81

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  1. 18 June, 08:32
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    Step-by-step explanation:

    45x = 9*5*x

    81 = 9*9

    GCF = 9

    Take 9 out using distributive property { a*b - c*b = b * (a-b) }

    45x - 81 = 9*5x - 9*9

    = 9 * (5x - 9)

    =9 (5x-9)
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