Answer:
(x-2)( x+2 )
Explanation:
(x+2)(x-2)
x²-4we going to rewrite 4 as in power so x²-2²then we going to apply the difference of two squares formula since we have the same format which is x²-y²=(x+y)(x-y) , so x²-2² = (x+2)(x-2)and that's the answer.
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