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19 November, 09:40

What is (5k-3) (9+k) ?

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  1. 19 November, 10:08
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    5k2+42k-27

    Step-by-step explanation:

    (5k-3) (9+k)

    = (5k+-3) (9+k)

    = (5k) (9) + (5k) (k) + (-3) (9) + (-3) (k)

    =45k+5k2-27-3k

    5k2+42k-27
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