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11 August, 11:29

Solve

(1-3k) - 4 (2+2.5k)

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Answers (1)
  1. 11 August, 11:37
    0
    k = 1/3 k = - 8/10

    Step-by-step explanation:

    (1 - 3k) (-8 - 10k)

    -8 - 10k + 24k + 30k^2

    30k^2 - 10k + 24k - 8

    10k (3k - 1) 8 (3k - 1)

    (3k - 1) (10k + 8)

    3k - 1 = 0

    3k = 1

    k = 1/3

    10k + 8 = 0

    10k = - 8

    k = - 8/10
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