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28 June, 13:32

Factorize 5 (m+n) ^2+17 (m+n) - 12

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Answers (2)
  1. 28 June, 14:37
    0
    22m+n^ 2+2n-12

    Step-by-step explanation:

    5m+n^ 2+20m+n-3m+n-12

    (5m+20m-3m) + n^ 2 + (n+n) - 12

    22m+n^ 2+2n-12
  2. 28 June, 14:43
    0
    (m+n+4) (5m+5n-3)

    Step-by-step explanation:

    5 (m+n) ^2+17 (m+n) - 12

    m+n=k 5k²+17k-12 = 5k² - 3k + 20k-12 = k (5k-3) + 4 (5k-3) = (k+4) (5k-3)

    (m+n+4) (5m+5n-3)
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