Which expression is equivalent to 10x2y + 25x2?

5x2(2y + 5)
5, x, 2, (2, y, + 5)

10x2(y + 25)
10, x, 2, (, y, + 25)

5x2y(5 + 20y)
5, x, 2, y, (5 + 20, y, )

10xy(x + 15y)