Factor: 5x2 - 24xy - 5y2

a. (5x - y)(x + 5y)
b. (5x + y)(x - 5y)
c. (5x + 5y)(x - y)
d. (x + y)(5x - 5y)
e. (x + 5y)(x - 5y)

b. (5x + y)(x - 5y)

Mathematics

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