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22 November, 02:06

Which expressions are equivalent to 7b (3+c) ?

Select each correct answer.

(7b⋅3) + (7b⋅c)

-4b+7c

21b+7bc

7b+14bc

14bc

+4
Answers (2)
  1. 22 November, 02:19
    0
    The correct answer is B - 21b+7bc

    Step-by-step explanation:

    7b (3+c)

    (7b) (3+c)

    (7b) (3) + (7b) (c)

    21b+7bc
  2. 22 November, 02:24
    0
    21b+7bc

    (7b⋅3) + (7b⋅c)

    Step-by-step explanation:

    7b (3+c)

    distribute

    7b * 3 + 7b * c

    21b + 7bc
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