Question

Help please

Which expression is equivalent to −3(b − 7)?

−3b − 21
−3b + 21
−3b − 7
3b + 7

Answer 1

- 3b + 21

Explanation:

- 3(b - 7) ← multiply each term in the parenthesis by - 3

= - 3b + 21

Answer 2

-3b+21 is the correct answer like my comment if I’m right