Answer:
(8x-5y) (8x+5y)
Step-by-step explanation:
64x^2−25y^2
This is the difference of squares
a^2 - b^2 = (a-b) (a+b)
Let 64 x^2 = a^2 Then a = 8x
Let 25 y^2 = b^2 then b = 5y
64x^2−25y^2 = (8x-5y) (8x+5y)