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9 January, 10:46

2/3 (6e + 9f - 21g) - 7f

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Answers (2)
  1. 9 January, 13:50
    0
    Multiply each coefficient by 2/3 for the numbers in parenthesis.

    So 2/3 * 6 = 12/3 = 4, 2/3 * 9 = 18/3 = 6, 2/3*21 = 42/3 = 14.

    That simplifies to 6e + 9f - 14 g - 7f.

    Add like terms to get 6e + 2f - 14g.
  2. 9 January, 14:37
    0
    2/3 (6e + 9f - 21g) - 7f

    2/3 (6e-56f - 21g)
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