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4 February, 20:16

Find the square. (3m + 3) 2

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  1. 4 February, 20:42
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    9m^2 + 18m + 9

    Step-by-step explanation:

    (3m + 3) 2

    Square;

    (a + b) ^2 = a2 + b2 + 2ab

    (3m + 3) 2

    = (3m) ^2 + (3) ^2 + 2 (3m) (3)

    = 9m^2 + 9 + 18m

    = 9m^2 + 18m + 9
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