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13 May, 23:08

Simplify: 1 3 (6ab - 9b) + 2 3 (9ab + 12b) A) 5ab + 8b B) 5ab - 8b C) 8ab + 5b D) 8ab - 5b

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Answers (2)
  1. 13 May, 23:22
    0
    C 8ab + 5b

    Step-by-step explanation:

    1 / 3 (6ab - 9b) + 2/3 (9ab + 12b)

    Distribute the fractions

    1 / 3 (6ab) - 1/3 (9b) + 2/3 (9ab) + 2/3 (12b)

    2ab - 3b + 6ab + 8b

    Combine like terms

    2ab + 6ab - 3b+8b

    8ab + 5b
  2. 13 May, 23:25
    0
    78ab+234b

    Step-by-step explanation:

    13 (6ab - 9b) + 23 (9ab + 12b)

    open the bracket

    78ab-117b+207b+144b

    combine the like terms

    78ab+234b
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