3 14x 1 4 2 7x July 8, 2019 16 32 64 128 X 4 7x 3 14x 2 7x 1 0 X 4 7x 3 14x 2 7x 1 3 14x 4 21x 1 7x 2 1 3 Which expression is equivalent to 3 14x 1 4 2 7x 3 14x3 14 3 14 x 7 14 x 7