Petshoponvacationgo Petshoponvacationgo Mathematics Answered Factor completely 625x4 β 81. (5x β 3)(5x β 3)(25x2 + 9) (5x β 3)(5x + 3)(25x2 β 9) (5x + 3)(5x + 3)(25x2 + 9) (5x β 3)(5x + 3)(25x2 + 9)