Question

simplify(x +1) (x-1)-2(x+1)​

Answer 1

Step-by-step explanation:

(x +1) (x-1)-2(x+1)

= x(x-1) +1 (x-1) - 2x -2

= x²-x + x - 1 -2x -2

= x² - 2x -3

Answer 2

Answer:

$x^{2}$− 2 x − 3

Step-by-step explanation: