Question

prove that (x+2) (x-2) = x²-2x​

Answer 1

HEY MATE THIS IS YOUR ANSWER........

(X+2)(X-2)=X^2-2X^2

IT IS THE IDENTITY OF (a^2-b^2)

THAT'S WHY

X^2-2X^2=X^2-2X^2...

HOPE IT WILL HELP YOU DEAR....

DON'T FORGET TO FOLLOW ME....

Answer 2

⇒(x+ 2) (x- 2)

⇒ x²-2x+2x-4

⇒x²-4