Answer:
"5x+15" is an expression equivalent to "5(x+3)".
Explanation:
If we expand this factorization, the resulting expression is equivalent to the original expression. This is how you expand it:
1. Write the expression.
![5(x+3)](https://img.qammunity.org/2023/formulas/mathematics/college/8846ibvplxg2cbc815d51maz1gzxg55yad.png)
2. Apply the distributive property of multiplication.
Check the attached image.
![(5)(x)+(5)(3)=\\ \\5x+15](https://img.qammunity.org/2023/formulas/mathematics/college/kjw84r7b54hclmtolvj7h4038yxf63aked.png)
3. Conclude.
5x+15 is an expression equivalent to 5(x+3).