21.
Which two expressions are equivalent?
5x -5 and 56-5)
56-5) and 5x - 25
5x - 1 and 5(x - 5)
5xx-1) and 5x -5

21 Which two expressions are equivalent 5x 5 and 565 565 and 5x 25 5x 1 and 5x 5 5xx1 and 5x 5 class=