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14 April, 06:23

Simplify.

4 (m-n) ^2+4m (m-n)

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  1. 14 April, 06:45
    0
    Step-by-step explanation:

    hello:

    4 (m-n) ²+4m (m-n) = (m - n) (4 (m-n) + 4m) = (m-n) (8m-4n) = 8m²-4mn-8nm+4n²

    = 8m²+4n²-12mn
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