Question

(999)^2
plzzz find the square by formula​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

(999)^2

(1000-1)^2

(1000)^2+(1)^2-2(1000) (1)

1000000+1-2000

998001.

Step-by-step explanation:

hope it's useful to u