Let's solve:
![28x + 14=14(2x+1)=14*2x + 14*1=28x +14](https://img.qammunity.org/2023/formulas/mathematics/high-school/x9qwl7xp6cqq4hyni6wnr3aodi8qasdsf9.png)
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Based on the Distributive Property of Multiplication
⇒ a number that is multiplied by the sum of two numbers, that
the number can be multiplied by both of those numbers and
then added together to get the answer
(See image attached below)
Answer: (B), 14(2x + 1)
Hope that helps!