Respuesta :

X^2-4 should be the answer

(X-2)(X+2)

Distribute the x to every number in the second parenthesizes

x*x=x

x*2=2x

Now distribute the -2 to every number in the second parenthesizes

-2*x=-2x

-2*2=-4

You should come up with a equation that looks like this

x+2x-2x-4

hope this kind helps

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