Question

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

Select each correct answer.

(7b⋅3)+(7b⋅c)
−4b+7c
21b+7bc
7b+14bc
14bc

Answer 1

The correct answer is B- 21b+7bc

Explanation:

7b(3+c)

(7b)(3+c)

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

21b+7bc

Answer 2

21b+7bc

(7b⋅3)+(7b⋅c)

Explanation:

7b(3+c)

distribute

7b* 3 + 7b *c

21b + 7bc