Answer:
a. x2 – 25
= (x + 5)(x - 5)
b. y2 – 36
= (y + 6)(y – 6)
c. x2 - 14x + 13
= (x – 1)(x + 13)
d. s2 + 7s + 10
= (s + 2)(s +10)
:DD
