The expression 4x^2−25 is equivalent to
A. (2x - 5)(2x - 5)
B. (4x + 5)(x - 5)
C. (4x - 5)(x + 5)
D. (2x + 5)(2x - 5)

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126