live4dramaoy0yf9 live4dramaoy0yf9 23-03-2018 Mathematics contestada Determine whether 49x^2 − 25 is a difference of two squares. If so, factor it. If not, explain why. A. (7x + 5)(7x + 5) B. (7x + 5)(7x − 5) C. (7x − 5)(7x − 5) D. Not a difference of squares because −25 is not a perfect square.