Answer: 40xy + 30y.
Explanation:
To simplify the expression 2y(20x+15), we need to apply the distributive property.
First, we multiply 2y by each term inside the parentheses, which gives us:
2y * 20x + 2y * 15
This simplifies to:
40xy + 30y
So, 2y(20x+15) is equal to 40xy + 30y.