Question

(x+1)(x-1)(x+1)(x-1)(x+1)(x-1)(x+1)(x-1)(x+1)(x-1)(x+1)(x-1)(x+1)(x-1)(x+1)(x-1)(x+1)(x-1)

Answer 1

(X+1)^9*(x-1)^9=(x^2-1)^9

Answer 2

Step-by-step explanation:

first (x+b)(x-b)=x² - b²

(x²-1²)⁹

(x²-1)⁹