millypelayo25 millypelayo25 28-01-2021 Mathematics contestada Which of the following is a perfect square trinomial? A. 4x2 - 14xy + 25y2 B. 4x2 + 14xy - 25y2 C. 4x2 - 20xy + 25y2 D. 4x2 + 20xy-25y2